# SDR USAA991088

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N810US
- Make and model: Doug DC-9-81(MD-81)
- Registry model: [Doug DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (OpenAirDocs)
- Aircraft serial: 48042
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Bs 636
- Part time: 48,971 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/USAA991088

## Discrepancy

PIT - DURING Q2 CHECK, FOUND 1 INCH BY 1 INCH CORROSION ON AND AROUND FASTENER HOLES, QTY 4, AT FLOOR SUPPORT STATION 636 BETWEEN LONGS 28L AND 29R.  CORROSION TASK NR C51-53300, CORROSION LEVEL 2.  REPLACED FLOOR SUPPORT PER EA 53012.  (M)

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