Service difficulty report · Cargo Track · Boeing 7377H4

Difficulty date
December 21, 2022
Submitted
January 19, 2023
Operation
Air carrier
Aircraft
N272WN
Make and model
Boeing 7377H4
Aircraft serial
32527
Aircraft time
52,973 hours, 31,748 cycles
Part
Cargo Track
Condition
Corroded
Location
Bs 767 Rbl 8
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, CARGO TRACK, RBL 8, BS 767+6. REWORKED, ORIGINAL THICKNESS :0.063' REMAINING THICKNESS 0.040' OUT ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-53-1A-2, ALLOWABLE DAMAGE 2, FIGURE 103, DETAIL D. REMOVED UPPER FLANGE OF JOGGLE AREA ON THE CARGO TRACK IAW SRM 53-00-53-2R-2, STEPS 4,D. ACCOMPLISHED HFEC INSPECTION ALONG CUT EDGES IAW NDTM D6-37239, PART 6, 51-00-00, PROC 23. NO CRACKS FOUND. FABRICATED, LOCATED, AND DRILLED A REPAIR CHANNEL IAW SRM 51-40-05, AND SRM 53-00-53-2R-2, REPAIR 2, FIG 203. APPLIED CHEMICAL CONVERSION COATING ON REPAIR IAW SOPM 20-41-02. APPLIED PRIMER ON REPAIR IAW SRM 51-20-01-0G-0. INSTALLED THE REPAIR ON THE CARGO TRACK IAW SRM 53-00-53-2R-2, AND SRM 51-40-02-0G-0.

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