# SDR DALA2022121208011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2022
- Submitted: December 12, 2022
- Operation: Air carrier
- Aircraft: [N721TW](https://openairdocs.org/aircraft/N721TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 29954
- Aircraft time: 83,196 hours, 21,517 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 1500-1640
- 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/DALA2022121208011

## Discrepancy

SHIP 6810 CORROSION ALONG FLOOR SUPPORT STRINGER (UPPER AND LWR SIDES) RBL 7.45, BTW 1500 AND 1640 AT BULK CARGO. CORRECTIVE ACTION: SUMMARY OF NRC 00173: STRINGER WAS REPAIRED PER B757-200 SRM. (2531659)

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