SDR SWAA2022121374151

Service difficulty report · Support · Boeing 7378H4

Difficulty date: November 22, 2022
Submitted: December 13, 2022
Operation: Air carrier
Aircraft: N8511K
Make and model: Boeing 7378H4
Aircraft serial: 36670
Aircraft time: 20,201 hours, 9,750 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Bs 500i Bulhead
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 THE FWD CARGO AFT BULKHEAD LOWER SUPPORT, BS 500I AT MULTIPLE AREAS RBL 22 TO LBL 22, WL 156. FOUND TO BE OUT OF LIMITS IAW SRM 53-30-08-1A-1. REMOVED DAMAGED BULKHEAD SUPPORT IAW SRM 51-40-02-0G-0. LOCATED, DRILLED, AND INSTALLED A NEW SUPPORT IAW SRM 51-40-02-0G-0, SRM 51-40-05-0G-0, AND DWG 143A7902.

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