# SDR SWAA2022110150963
- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2022
- Submitted: November 1, 2022
- Operation: Air carrier
- Aircraft: [N204WN](https://openairdocs.org/aircraft/N204WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29855
- Aircraft time: 59,632 hours, 35,273 cycles
- System (JASC): [5320 ยท Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Plate
- Condition: Corroded
- Location: Zn 900 Lav/Galle
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022110150963
## Discrepancy
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.
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.
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.
SEE INDIVIDUAL SIGN OFF BELOW.
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