# SDR IPXA2016041202054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2016
- Submitted: April 13, 2016
- Operation: Air carrier
- Aircraft: [N275UP](https://openairdocs.org/aircraft/N275UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48774
- Aircraft time: 49,059 hours, 11,632 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Door
- Condition: Binding
- Location: L1
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2016041202054

## Discrepancy

NOTIFICATION FROM RAMP OPS, L1 ENTRY DOOR STUCK IN MID POSITION.  VERIFIED PNEUMATIC AIR MOTOR DRIVE CHAIN BROKEN AND RESTRICTING DOOR OPS.  MANUALLY CLOSED DOOR IAW AMM 52-11-02-410-806.  ITEM TRANSFERRED TO M574849 IAW MEL 52-10-3-2, PLACARD INSTALLED DMP COMPLIED WITH.  L1 MAIN ENTRY DOOR DRIVE CHAIN DAMAGED.  REPLACED DRIVE CHAIN, IAW AMM 52-11-09-400-801.  ENTRY DOOR AT L-1 FUNCTIONS NORMALLY.

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