SDR SWAA2021081607264

Service difficulty report · Cargo Track · Boeing 73776N

Difficulty date: August 4, 2020
Submitted: August 16, 2021
Operation: Air carrier
Aircraft: N7884G
Make and model: Boeing 73776N
Aircraft serial: 30133
Aircraft time: 62,884 hours, 25,819 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Cargo Track
Condition: Corroded
Location: Bs 888
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 RAIL AT ACB BS888 LBL7 WL168. / REMOVED CORROSION FROM ACB RAIL BS888 LBL-7-WL-168 IN AREA OF L=1.4' W=0.9; D=0.039' DEEP FOUND TO BE OUT OF LIMIT IAW SRM 53-00-33-1A-2 STEP 4.A.(2) FIG 103-D FABRICATED NEW RAIL MADE FROM BAC1509- 100146 #7050T 76511 LOT #1382910-1 AT BS867-BS947 LBL-8 WL-168 IAW DW #147A7501 APPLIED CHEMICAL CONVERSION COATING AND PRIMED IAW SRM 31-20-01-0G-0 AND INSTALLED IAW SRM 51-40-02-0G-0 AND DWG #147A7500 REV-B

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