# SDR SWAA2021081992159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2020
- Submitted: August 19, 2021
- Operation: Air carrier
- Aircraft: [N929WN](https://openairdocs.org/aircraft/N929WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36631
- Aircraft time: 40,823 hours, 24,698 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Bs 947 Lbl9
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021081992159

## Discrepancy

***CORROSION*** ACB; AFT LOWER CENTER BULKHEAD SUPPORT. BS947; LBL9 TO RBL23; WL156 / REMOVED AND INSTALLED ACB NEW LOWER CENTER BULKHEAD SUPPORT; B/S 947; LBL 9 TO RBL 23 WL 156 P/N 149A8118-29 PO #792279/1 IAW SRM 51-40-02 AND DWG 149A8117 REV- 59899U 18-06-20

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