Service difficulty report · Mount · Boeing 7377H4

Difficulty date
March 11, 2020
Submitted
August 25, 2021
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
61,697 hours, 36,249 cycles
Part
Mount
Condition
Corroded
Location
Bs 1088
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 APU INLET MOUNTING FLANGE AT B.S . 1088; R.B.L. 22-32; WL 270 ON UPPER FLANGE. / REMOVED AND REPLACED APU INLET MOUNTING FLANGE AT BS 1088 RBL 22-32 ON UPPER FLANGE IAW SRM 51-40-02 AND DWG 148A0924. 89004U; 26MAR20.

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