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 TRACK LBL3.0; AND BS907; WL156 AFT CARGO COMPARTMENT. REPAIRED CARGO TRACK LBL 3.0 LOCATED BETWEEN BS 887 TO BS 927 IN AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND B737-700 SRM 53-00-53-2R-3 REPAIR 3, ALTERNATIVE 1 AND DRAWING 146A7500 SHEET 61 REV.- . DUE TO NO FOUND ALLOWABLE DAMAGE IN SRM B737-700 FOR CORROSION ON CARGO TRACK HOLE.

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