SDR SWAA2022121372146

Service difficulty report · Cargo Track · 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): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Cargo Track
Condition: Corroded
Location: Bs 747-767 Lbl8
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 CARGO TRACK, LBL 8, BS 747+7 - 767+6. REMOVED DAMAGED SECTION OF THE CARGO TRACK BETWEEN BS 727E+10 - 747+10 IAW SRM 53-00-53-2R-2, STEPS 4A-C. LOCATED, DRILLED; AND COUNTERSANK THE NEW CHANNEL FILLER AND TWO CHANNEL SPLICES IAW SRM 53-00-53-2R-2. APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW SRM 53-00-53-2R-2, AMM 51-21-41-370-802, AND AMM 51-21-72-370-804. INSTALLED IAW SRM 53-00-53-2R-2, AND SRM 51-40-02-0G-0.

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