# SDR SWAA2023030601299

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2023
- Submitted: March 6, 2023
- Operation: Air carrier
- Aircraft: [N7746C](https://openairdocs.org/aircraft/N7746C), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33934
- Aircraft time: 50,644 hours, 26,573 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Fastener
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023030601299

## Discrepancy

CORROSION BILGE AREA FASTENER SHOP HEADS REPAIR AREA LOCATED BTW BS500A TO BS500B AND BTW STR28R TO STR28L AT FWD CARGO COMPARTMENT 2023-99371<[01] AFFECTED FASTENERS WERE REPLACED PER EA 23-153-00499. THE EA HAS BEEN ATTACHED TO FAULT TTG8Q00HN58R. SEE INDIVIDUAL SIGN OFF BELOW;[02] AFFECTED FASTENERS WERE REPLACED PER EA 23-153-00499. THE EA HAS BEEN ATTACHED TO FAULT TTG8Q00HN58R. SEE INDIVIDUAL SIGN OFF BELOW. RII

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
