# SDR DALA2019120266974

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2019
- Submitted: December 2, 2019
- Operation: Air carrier
- Aircraft: [N543US](https://openairdocs.org/aircraft/N543US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26490
- Aircraft time: 72,776 hours, 28,018 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Tunnel Wall
- Condition: Cracked
- Location: Bs 1620
- 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/DALA2019120266974

## Discrepancy

AFT CARGO RT SIDE TUNNEL POSSIBLE CRACK AND HAS CORROSION UNDER STRINGER STA 1620 S20R. CORRECTIVE ACTION: CUT OUT DAMAGED SECTION OF STR 20R AND REPAIRED STRINGER SECTION IAW  SRM 53-00-03-2R PROCEDURE 1 REPAIR 1.

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