# SDR AALA20150527009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2015
- Submitted: May 28, 2015
- Operation: Air carrier
- Aircraft: [N983TW](https://openairdocs.org/aircraft/N983TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53633
- Aircraft time: 43,415 hours, 21,015 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Diaphragm
- Condition: Corroded
- Location: Fuselage
- 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/AALA20150527009

## Discrepancy

CORROSION IN SUB FLOOR DIAPHRAGM AT BS 186, 7" INBD OF FWD ENTRY DOOR CUT OUT.  INSTALLED DOUBLER ON SUB FLOOR AT BS 186 IAW AARD 53-20-00-16.

---
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.