SDR SWAA2022121372125

Service difficulty report · Support · Boeing 7377H4

Difficulty date: November 16, 2022
Submitted: December 13, 2022
Operation: Air carrier
Aircraft: N267WN
Make and model: Boeing 7377H4
Aircraft serial: 32525
Aircraft time: 52,811 hours, 31,569 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Bs 500a-500c
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 FWD CARGO BAY RT FLOOR TO SIDEWALL SUPPORT, BS 500A+2 - 500C+15, RBL 24, WL 156. REMOVED CORROSION AND FOUND OUT ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-53-1A-2, ALLOWABLE DAMAGE 2, FIGURE 103, DETAIL D. FABRICATED, LOCATED, AND DRILLED A REPLACEMENT RT FLOOR TO SIDEWALL SUPPORT. APPLIED CHEMICAL CONVERSION AND PRIMER IAW SRM 51-20-01 AND AMM 51-21-72-370-804.

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