# SDR SWAA2023072774644

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2023
- Submitted: July 27, 2023
- Operation: Air carrier
- Aircraft: [N441WN](https://openairdocs.org/aircraft/N441WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29837
- Aircraft time: 66,664 hours, 39,529 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Shim
- Part number: UNKNOWN
- Condition: Broken
- Location: Zn 500 Left Wing
- 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/SWAA2023072774644

## Discrepancy

LH WING FUEL TANK ACCESS AT RIB 12 HAS TWO UPPER SHIMS MIGRATED OUT AND BROKEN.<[01] REMOVED AND REPLACED LEFT WING FUEL TANK ACCESS RIB #12 UPPER SHIM AS PER B 737-700 SRM 51-40-02-0G-0.;[02] (CORRECTING STEP #1) REMOVED AND REPLACED LEFT WING FUEL TANK ACCESS RIB #12 UPPER SHIM AS PER B 737-700 SRM 51-40-02-0G-0. TOOL USED B/C: 169684 CAL. DATE 10/22 ; DUE DATE: 10/23.;[03] (AMENDING STEP 1) REMOVED AND REPLACED LH FUEL WING ACCESS AT RIB 12 UPPER SHIMS AS PER B 737-700 SRM 51-40-02-0G-0; SRM 51-40-04-0G-0 AND DWG#112A5120. TOOL USED B/C: 169684 CAL. DATE 10/25/22 ; DUE DATE: 10/25/23.;[04] VERIFIED STEP 1;2 AND 3.

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