Service difficulty report · Plate · Boeing 7377H4

Difficulty date
September 30, 2022
Submitted
November 1, 2022
Operation
Air carrier
Aircraft
N204WN
Make and model
Boeing 7377H4
Aircraft serial
29855
Aircraft time
59,632 hours, 35,273 cycles
Part
Plate
Condition
Corroded
Location
Zn 900 Lav/Galle
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 PLATE LOCATED BTW BS 1006 TO BS 1016 RBL 3 WL 208.1 AFT GALLEY AREA 2022-517137 / [01] TOOL USED: ULTRASONIC GAGE: P/N: 45MG; S/N: 130060401; DUE DATE: 26-JAN-23;[02] REPLACED PLATE AND FASTENERS LOCATED BETWEEN BS1006 TO BS1030 AFT PRESSURE BULKHEAD WL208.1 AND LBL3 AT AFT GALLEY ARE IAW B737-700 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DRAWING #147A5730 ; SHEET 23; REV: C.<BR>SEE INDIVIDUAL SIGN OFF BELOW.;[03] CORRECTED STEP 2 DUE TO TYPE ERROR: REPLACED PLATE AND FASTENERS LOCATED BETWEEN BS1006 TO BS1030 AFT PRESSURE BULKHEAD WL208.1 AND RBL3 AT AFT GALLEY ARE IAW B737-700 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DRAWING #147A5730 ; SHEET 23; REV: C.<BR>SEE INDIVIDUAL SIGN OFF BELOW.;[04] CORRECTED STEP 2 DUE TO TYPE ERROR: REPLACED PLATE AND FASTENERS LOCATED BETWEEN BS1006 TO BS1030 AFT PRESSURE BULKHEAD WL208.1 AND RBL3 AT AFT GALLEY ARE IAW B737-700 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DRAWING #147A5730 ; SHEET 23; REV: C. <BR>SEE INDIVIDUAL SIGN OFF BELOW.

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