# SDR ASAA2023080944530

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2023
- Submitted: August 14, 2023
- Operation: Air carrier
- Aircraft: [N280AK](https://openairdocs.org/aircraft/N280AK), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 60582
- Aircraft time: 20,457 hours, 6,598 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 146A750356
- Condition: Corroded
- Location: Unknown
- 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/ASAA2023080944530

## Discrepancy

AFT PIT FLOOR SUPPORT JUST AFT OF STA 767 LBL 12.5 HAS CORROSION AROUND NUTPLATE HOLES. GROUNDED - YES. REMOVED CORROSION ORIG .063, REMAIN 0, LOSS OF .063 FOUND OUT OF LIMITS IAW B737 900ER SRM 53-00-53.ACCOMPLISHED REPAIR IAW B737 900ER SRM 53-00-53-2R-2ALODINED IAW B737 900ER SRM 51-20-01.PRIMED IAW SOPM20-41-02.

---
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.