# SDR IPXA11M69448

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2011
- Submitted: September 28, 2011
- Operation: Air carrier
- Aircraft: [N250UP](https://openairdocs.org/aircraft/N250UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48745
- Aircraft time: 42,608 hours, 8,533 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Skin
- Part number: STA360RBL2
- Condition: Cracked
- Location: Cockpit
- 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/IPXA11M69448

## Discrepancy

INSPECTION TYPE:4C, FIRST OB SEAT MOUNTING BASE HAS CRACKED, VISABLE INSIDE AVIONICS BAY.  REPAIRED CRACKED FLIGHT DECK MEMBRANE AT 1ST OBSERVERS SEAT, STA 360 A D RBL 2 REF STA, SA, EA 011-5310-01-A3453 REV I/R AND EO MD11-4446 5-A.

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