Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
April 2, 2020
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N468WN
Make and model
Boeing 7377H4
Aircraft serial
33858
Aircraft time
55,399 hours, 32,753 cycles
Part
Fitting
Condition
Corroded
Location
Bs 986
Stage of operation
IN
How discovered
V
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*** AT DRAIN MAST TUB FITTING BS 986.5 +9.5 LBL 18 WL 185 / REMOVED CORROSION AT DRAIN MAST TUB FITTING BS986.5 + 9.5 LBL 18 WL 185 FOUND TO BE OUT OF LIMITS DUE TO MORE THAN 50% MATERIAL LOSS PER SRM 51-10-02-0G-0 REMOVED & REPLACED DRAIN MAST TUB FITTING PER SRM 51-40-02-0G-0 & DWG# 147A7443

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