Service difficulty report · Support · Boeing 7377H4

Difficulty date
February 19, 2023
Submitted
March 20, 2023
Operation
Air carrier
Aircraft
N278WN
Make and model
Boeing 7377H4
Aircraft serial
36441
Aircraft time
52,434 hours, 31,459 cycles
Part
Support
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 SUPPORT ZEE BTW BS 727E TO BS 807 AT LEVEL S 25L AT LBL 21 AT AFT CARGO COMPARTMENT 2023-127668<[01] UT EQUIPMENT P/N: 45MG; S/N: 221859911; DUE DATE: 07-NOV-23;[02] REPLACED SUPPORT ZEE AND FASTENERS BTW BS 727E TO BS 807 AT LEVEL S 25L AT LBL 21 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02 ITEM 9;51-40-02 AND DWG 146A7500 REV A.SEE INDIVIDUAL SIGN OFF BELOW;[03] REPLACED SUPPORT ZEE AND FASTENERS BTW BS 727E TO BS 807 AT LEVEL S 25L AT LBL 21 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02 ITEM 9;51-40-02 AND DWG 146A7500 REV A.SEE INDIVIDUAL SIGN OFF BELOW

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