SDR SWAA2022111463117

Service difficulty report · Support · Boeing 73771B

Difficulty date: October 21, 2022
Submitted: November 14, 2022
Operation: Air carrier
Aircraft: N7854B
Make and model: Boeing 73771B
Aircraft serial: 29372
Aircraft time: 45,663 hours, 30,470 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Bs 907-927
Stage of operation: IN
How discovered: 9
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

CORROSION ON FLOOR TO SIDEWALL SUPPORT IN THE AFT CARGO BAY BS 907-917, BS 927+14 RBL 22. FOUND TO BE OUT LIMITS IAW SRM 53-00-53-1A-2. FABRICATED, LOCATED, AND DRILLED A REPLACEMENT FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05, DWG 147A750 REV, AND DWG 147A7501 REV A. APPLIED CHEMICAL CONVERSION COATING & PRIMER ON FLOOR TO SIDEWALL SUPPORT IAW SRM 51-20-01 & AMM 51-21-72-370-804,

More about the Boeing 737-71B