Service difficulty report · Track · Boeing 7377H4

Difficulty date
September 18, 2021
Submitted
October 25, 2021
Operation
Air carrier
Aircraft
N448WN
Make and model
Boeing 7377H4
Aircraft serial
33721
Aircraft time
58,879 hours, 34,833 cycles
Part
Track
Condition
Corroded
Location
Fuselage
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 CARGO TRACK LBL3.0, BS 907, WL 156 IN AFT CARGO COMPARTMENT. INSTALLED REPAIR ON TRACK SECTION. 2 TRACK SPLICES AND FASTENERS BETWEEN BS 887 TO BS 927 IAW SRM 51-40-02 AND SRM 53-00-53-2R-3, REPAIR 3, STEP 4, FROM ITEMS O TO P. AND DRAWING 146A7500, SHEET 61 REV-. REPAIRED CARGO TRACK IAW SRM 51-40-02 AND SRM 53-00-53-2R-3, REPAIR 3, ALTERNATIVE 1, AND DRAWING 146A7500, SHEET 61, REV- .

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