Service difficulty report · Beam · Boeing 7377H4

Difficulty date
March 13, 2023
Submitted
April 17, 2023
Operation
Air carrier
Aircraft
N221WN
Make and model
Boeing 7377H4
Aircraft serial
34259
Aircraft time
58,906 hours, 34,822 cycles
Part
Beam
Condition
Corroded
Location
Zn 200 Fus Top
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 FLOOR BEAM BS 986.5 RBL 36 WL 208.1 AT AFT GALLEY AREA 2023-185359<[01] TOOL USED: ULTRASONIC THICKNESS GAGE P/N:45MG; S/N:221859911 DUE DATE: 07-NOV-23.;[02] FAULT RESOLVED IN OTHER FAULT SEE TTG8Q00JN2MM WHERE EA 23-153-00987 WAS ADDED AS A SUBTASK. SE INDIVISUAL SING-OFFS BELOW.;[03] CORRECTED ITEM 2: FAULT RESOLVED IN OTHER FAULT SEE TTG8Q00JN2MM WHERE EA 23-153-00987 WAS ADDED AS A SUBTASK. SEE INDIVIDUAL SIGN-OFFS BELOW.;[04] FAULT RESOLVED IN OTHER FAULT SEE TTG8Q00JN2MM WHERE EA 23-153-00987 WAS ADDED AS A SUBTASK. SEE INDIVIDUAL SIGN-OFFS BELOW.

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