# SDR P5CA2010042801634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2010
- Submitted: April 28, 2010
- Operation: Air carrier
- Aircraft: [N454PA](https://openairdocs.org/aircraft/N454PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30812
- Aircraft time: 35,215 hours, 5,576 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Condition: Dirty
- Location: Escape Hatch
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2010042801634

## Discrepancy

DURING TAKEOFF ROLL RECEIVED STATUS MESSAGE - UPPER DECK ESCAPE HATCH OPEN.  UPPER DECK HATCH LINER REMOVED FOR DVI, DOOR FRAME, SKIN, SEAL, AND MECHANISM CHECKED WITH NO DEFECTS FOUND.  LINER RE-INSTALLED.  DOOR OPEN AND CLOSE WITH MICRO-SWITCH CLEANED AND OPERATIONAL CHECKED PER AMM 52-71-01 OK.  MESSAGE ERASED.  CONDITIONAL INSPECTIONS ACCOMPLISHED PER AMM 05-51-10 & 05-51-26.

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