# SDR IPXA2021021365625

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2021
- Submitted: February 24, 2021
- Operation: Air carrier
- Aircraft: [N290UP](https://openairdocs.org/aircraft/N290UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48456
- Aircraft time: 104,661 hours, 19,824 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Condition: Intermittent
- Location: L1 Door
- 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/IPXA2021021365625

## Discrepancy

INSPECTION TYPE:NA**SUPPLEMENTAL SDR** LEFT ENTRY DOOR SWITCH INTERMITTENT YOU CAN HEAR THE RELAYS CLICKING BUT IT TAKES A FEW TRIES.   L1 ENTRY DEFFERED PER MEL 52-10-1-2-0-1 VERIFIED PNEUMATIC BOTTLE CHARGE O.K DMP 52-10-1-2-0-1 ASSIGNED CONTROL NO M735553. PLACARD INSTALLED REQ 341919.REPLACED RELAY R2-177 PER SWPM 20-00-09, OPS CK FAILED. REPLACED LOCKPIN SOLEMOID PER AMM 52-10-06, OPS CK GOOD. DMP 52-10-1-2-0-1 REVERSED, PLACARD REMOVED DEFERRAL CLEARED.

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