Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
June 10, 2020
Submitted
June 30, 2020
Operation
Air carrier
Aircraft
N481WN
Make and model
Boeing 7377H4
Aircraft serial
29853
Aircraft time
55,339 hours, 32,689 cycles
Part
Stiffener
Condition
Cracked
Location
Bs 907-927
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

AFT CARGO BAY; FWD AND AFT WATER SERVICE PAN STIFFENERS ARE CRACKED BETWEEN BS 907 AND 927. REMOVED AND REPLACED ACB FWD & AFT WATER SERVICE PAN STIFFENERS IAW SRM 51-40-02, SRM 51-40-05, AND AIPC 52-49-00-02.

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