# SDR UIA9311

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2004
- Submitted: April 1, 2004
- Operation: Air carrier
- Aircraft: [N17917](https://openairdocs.org/aircraft/N17917), registered now
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53572
- Aircraft time: 12,462 hours, 11,433 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Corroded
- Location: Rt Wing
- 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/UIA9311

## Discrepancy

DURING C 05 CHECK OF DATUM A/C:  FOUND CORROSION ON UPPER SURFACE OF FRONT SPAR OF RT WING AT STA XRS 531.   FOUND CORROSION ON UPPER SURFACES OF LOWER SKIN P/N:5935822-50 AND REAR SPAR LOWER CAP OF RT WING AT STA XRS=546.  PERMANENT REPAIR ON FUSELAGE SKIN P/N:5924802-133 AT STA Y=237.   FOUND CORROSIONS ON UPPER SURFACES OF LOWER SKIN P/N:5935822-505 OF WING AT STA XRS=546.  SEVERE CORROSION WAS FOUND ON RT IB FLAP OB VANE P/N:5930495-51 TRAILING EDGE LOWER SURFACE.  THIS REPAIR CAN BE CONSIDERED AS PERMANENT REPAIR.

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