SDR SWAA2022120668615

Service difficulty report · Threshold · Boeing 7377H4

Difficulty date: November 8, 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 787-827
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

AFT CARGO BAY DOOR CUT-OUT SUBTHRESHOLD WEB UPPER SURFACE IS CORRODED FROM BS 787+7 - 827+17.5, RBL 21.5 - 28, WL 156. REMOVED CORROSION IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1. LOCATED AND DRILLED A NEW SUBTHRESHOLD WEB IAW SRM 51-40-05-0G-0, AND DWG 146A8340. INSTALLED IAW SRM 51-40-02-0G-0, AND DWG 146A8340.

More about the Boeing 737-7H4