# SDR USAA990405

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N924VJ
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 48144
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Subfloor
- Condition: Corroded
- Location: Bs 218
- Part time: 42,285 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA990405

## Discrepancy

PIT - DURING Q-4 CHECK, FOUND 3 INCH BY 3 INCH CORROSION  IN SUBFLOOR AT STATION 218, OUTBOARD OF SEAT TRACK 18, CORROSION LEVEL 1.  CUT OUT DAMAGE AND SPLICED IN A NEW SECTION PER EA 51977. (M)

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