Service difficulty report · Web · Boeing 7377H4

Difficulty date
January 13, 2021
Submitted
February 17, 2021
Operation
Air carrier
Aircraft
N439WN
Make and model
Boeing 7377H4
Aircraft serial
29834
Aircraft time
59,583 hours, 35,303 cycles
Part
Web
Condition
Corroded
Location
Apu Bay
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 WEB AT APU COMPARTMENT BS1088+4' RBL22; 30' BELOW LOWER HORIZONTAL DECK. MARKED / CORROSION ON WEB AT APU COMPARTMENT BS1088+4; RBL22; 30' BELOW LOWER HORIZONTAL DECK FOUND TO BE OUT OF LIMITS. REMOVED & REPLACED WEB IAW SRM 51-40-02; SRM 51-40-05; DWG# 148A8540; DWG# 148A8635; DWG# 148A1684; DWG# 148A1670; MM 51-31-00-390-804; MM 51-31-00-390-805

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