SDR SWAA2022121372154

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: Aft Cargo
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 AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT, RBL 21, BS 727E - 747. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS. LOCATED AND DRILLED A NEW FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05-0G-0, DWG 146A7502, AND DWG 146A7500. APPLIED PRIMER IAW AMM 51-21-72-370-804. INSTALLED ADHESIVE BONDED NUTPLATES IAW SRM 51-40-10-2R-0.

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