# SDR IPXA2019020438599

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2019
- Submitted: February 6, 2019
- Operation: Air carrier
- Aircraft: [N612UP](https://openairdocs.org/aircraft/N612UP), registered now
- Make and model: Boeing 747-8
- Registry model: [Boeing 747-8](https://openairdocs.org/model/boeing-747-8) (OpenAirDocs)
- Aircraft serial: 64258
- Aircraft time: 1,712 hours, 248 cycles
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Switch
- Condition: Failed
- Location: Overhead Hatch
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2019020438599

## Discrepancy

DOOR F/D OVERHEAT MESSAGE OUT OF 1000 FEET. RAN CHECKLIST.  A/C RELEASED FOR SERVICE PER MEL 52-71-1-1, M661115, CREW OVHD DOOR IND INOP.   REPLACED SWITCH FOR CREW OVERHEAD HATCH -DOOR INDICATION IAW SWPM 20-30-12 REV 69.01. FUNCTIONAL TEST PERFORMED, FOUND SATIS. DMI M661115 CLOSED, DMP REVERSED, PLACARD REMOVED.

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