PIPER CONSIDERS COMPLIANCE MANDATORY
This is a truncated version of the service bulletin for a copy of the complete service bulletin, download the attachment below:
Service Bulletin (SB) 1375C supersedes SB 1375, SB 1375A, and SB 1375B in their entirety. If any of the four factory original screws in the upper flange were replaced with oversize fasteners as part of compliance with SB1375A, contact Piper for disposition. Aircraft that have complied with SB 1375B are in compliance with SB 1375C.
WARNING: SB 1375A SPECIFIED INCORRECT REPLACEMENT SCREWS FOR THE UPPER FLANGE. ACCORDINGLY, IF ANY OF THE FOUR FACTORY ORIGINAL SCREWS IN THE UPPER FLANGE WERE REPLACED WITH OVERSIZE FASTENERS AS PART OF COMPLIANCE WITH SB1375A, THE AIRCRAFT MAY NO LONGER BE AIRWORTHY, CONTACT PIPER FOR DISPOSITION.
SUBJECT: periodic replacement of main landing gear attachment hardware
REASON FOR REVISION: SB 1375C revises the instructions for clarity and corrections.
MODELS and serial numbers affected:
PA-28-140 Cherokee 140: 28-20001 thru 28-26946,28-7125001 thru 28-7725290
PA-28-150/-160 Cherokee 150/160: 28-03, 28-1 thru 28-4377, and 28-1760A
PA-28-180 Cherokee 180: 28-03, 28-671 thru 28-5859, 28-7105001 thru 28-7205318
PA-28-235 Cherokee 235: 28-10001 thru 28-11378, 28-7110001 thru 28-7710089, 28E-11
PA-28-236 Dakota: 28-7911001 thru 28-8611008, 2811001 thru 2811050
PA-28-151 Warrior: 28-7415001 thru 28-7715314
PA-28-161 Cadet: 2841001 thru 2841365
PA-28-161 Warrior II: 28-7716001 thru 28-8616057, 2816001 thru 2816109
PA-28-161 Warrior III: 2816110 thru 2816119, 2842001 and up
PA-28-180 Archer 28-E13: 28-7305001 thru 28-7505260
PA-28-181 Archer II: 28-7690001 thru 28-8690056, 28-8690061, 28-8690062, 2890001 thru 2890205
PA-28-181 Archer III: 2890206 thru 2890231, 2843001 thru 2843999, 2881001 and up
PA-28-181 Piper Pilot 100i: 28020001 and up
PA-28-201T Turbo Dakota: 28-7921001 thru 28-7921095
PA-32-260 Cherokee Six 260: 32-03, 32-04, 32-1 thru 32-1297, 32-7100001 thru 32-7800008
PA-32-300 Cherokee Six 300: 32-15, 32-21, 32-40000 thru 32-40974, 32-7140001 thru 32-7940290
PA-32-301 Saratoga 32-8006002 thru 32-8606023, 3206001 thru 3206019, 3206042 thru 3206044, 3206047, 3206050 thru 3206055, 3206060
PA-32-301T Turbo Saratoga 32-8024001 thru 32-8424002
PA-32-301FT Piper 6X 3232001 thru 3232074
PA-32-301XTC Piper 6XT 3255001 thru 3255051
COMPLIANCE TIME: For affected aircraft which have accrued 2,000 hours time in service (TIS) or seven (7) calendar years TIS, initial compliance is to coincide with the next regularly scheduled maintenance event, but not to exceed the next 100 hours TIS. Thereafter, compliance shall be at a recurring interval of 2,000 operating hours TIS or 7 calendar years TIS, whichever occurs first.
APPROVAL: The engineering aspects of this service document have been shown to comply with the applicable Federal Aviation Regulations and are FAA approved.
PURPOSE: A review of service history reveals that for the affected aircraft, the landing gear mounting hardware is subject to metal fatigue, hole wear and corrosion. Failure of this hardware could result in a landing gear collapse. Hole wear may cause fretting fatigue cracking.
This service bulletin provides instructions for the recurring replacement of this hardware and bolt hole inspection.
INSPECTION METHOD: Eddy Current Inspection Method
Follow the instructions in the Service Bulletin.
AVAILABILITY OF PARTS: Procure locally and/or at your Piper Approved Service Center – Find your local service center at https://www.piper.com/
EFFECTIVITY DATE: This service bulletin is effective on May 23, 2023.
SUMMARY: Please contact your Piper Approved Service Center to make arrangements for compliance with this service bulletin in accordance with the compliance time
NOTE: Please notify the factory of any address/ownership corrections. Changes should include aircraft model, serial number, and current owner’s name and address.
Corrections and/or changes should be directed to: PIPER AIRCRAFT, INC.
Attn: Customer Service
2926 Piper Drive Vero Beach, FL 32960 or: CustomerService [AT] piper [DOT] com Please include in subject line: “Aircraft ownership update”