SDR SWAA2022120667970

Service difficulty report · Threshold · Boeing 7377H4

Difficulty date: November 4, 2022
Submitted: December 6, 2022
Operation: Air carrier
Aircraft: N954WN
Make and model: Boeing 7377H4
Aircraft serial: 36669
Aircraft time: 38,324 hours, 23,332 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Threshold
Condition: Corroded
Location: Bs 460 Rbl 28
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 THRESHOLD, RBL 28, BS 460+1, 460+13, AND 460+18. REMOVED CORROSION IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1 A D. LOCATED AND DRILLED THE THRESHOLD IAW SRM 51-40-05-0G-0, AND DWG 143A8330 REV A. WORK COMPLETED.

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