Service difficulty report · Cargo Track · Boeing 73776N

Difficulty date
December 29, 2022
Submitted
January 27, 2023
Operation
Air carrier
Aircraft
N7812G
Make and model
Boeing 73776N
Aircraft serial
32582
Aircraft time
56,870 hours, 33,864 cycles
Part
Cargo Track
Condition
Corroded
Location
Zone 100
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 SPLICE AT AFT CARGO BAY BS767+6 LBL17.<[01] FOUND TO BE OUT OF LIMITS DUE TO CORROSION IS COMMON TO A PREVIOUS REPAIR.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE;[03] NO REPAIR LIMITS FOOUND ON SRM; REMOVED DAMAGE TRACK SPLICE OF PREVIOUS REPAIR; AREA BS 767-773 LBL 17 WL 156 IAW SRM 51-40-02-0G-0.;[04] LOCATED AND DRILLED NEW TRACK SPLICE IAW SRM 53-00-53-2R-3 MATERIAL USED BAC1509-100688 7050-T76511 SI#7530158. PERFORMED VISUAL INSPECTION AND NO ADDITIONAL DAMAGE FOUND; VERIFIED MEASUREMENTS AND FASTENERS PATTERN OF PREVIOUS REPAIR IAW SRM 53-00-53-2R-3;[05] APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW SRM 53-00-53-2R-3;[06] VERIFIED CORRECTIVE ACTION STEPS3;4 AND 5.;[07] OK TO INSTALL;[08] VERIFIED OK TO INSTALL REPAIR PARTS.;[09] INSTALLED TRACK SPLICE BS 767-773 LBL 17 WL 156 IAW SRM 53-00-53-2R-3;[10] VERIFIED CORRECTIVE ACTION STEP 9.;[11] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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