SDR IPXA2025110597614

Service difficulty report · Retainer · Boeing 75724APF

Difficulty date: October 10, 2025
Submitted: November 14, 2025
Operation: Air carrier
Aircraft: N456UP
Make and model: Boeing 75724APF
Aircraft serial: 25477
Aircraft time: 37,547 hours, 22,355 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Retainer
Part number: 146N50642
Condition: Corroded
Location: Zone 200
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

STR, MAIN DECK CABIN FLOOR STRUCTURE STRAP HAS CORROSION AT APPROX FROM BS 1660 TO BS 1681, RBL 61, ID STICKER NUM. (061-002). ATA 53-05. INSTALLED NEW RETAINER P/N 146N5064-2SAAU AND NEW FILLER ON MAIN DECK CABIN FLOOR AT APPROX FROM BS 1660 TO BS 1681, RBL 61 IAW B757-200PF SRM 51-40-02-0G-0. REVIEWED

More about the Boeing 757-24APF