Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
April 27, 2023
Submitted
June 1, 2023
Operation
Air carrier
Aircraft
N961WN
Make and model
Boeing 7377H4
Aircraft serial
36962
Aircraft time
37,902 hours, 23,158 cycles
Part
Fitting
Condition
Corroded
Location
Zn 100 Fus Lower
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 PASSENGER CABIN L/H FITTING AT LBL 59 BS 344 WL 208.<[01] FOUND NO ALLOWABLE LIMITS ON IAW SRM 53-10-15-1A-1;[02] FOUND NO ALLOWABLE LIMITS ON IAW SRM 53-10-51-1A-1;[03] REMOVED FITTING PER B737-700 SRM 51-40-02;[04] VERIFIED CORRECTIVE ACTION ITEM 1-3.;[05] INSTALLED NEW FITTING P/N 141A5220-4 LOT # 1500496-1 PER SRM 51-40-02;[06] INSTALLED NEW FITTING P/N 141A5220-4 LOT # 1500496-1 PER SRM 51-40-02 AND DWG# 141A5220;[07] VERIFIED CORRECTIVE ACTIONS STEP 6.;[08] UPDATED PARTS INFO AND FINISHED MEASUREMENTS SECTION;[09] VERIFIED ALL CORRETION ACTIONS AND MEASUREMENT TABLE CARD COMPLETET.

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