# SDR 2000UALA00591

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2000
- Submitted: October 27, 2000
- Operation: Air carrier
- Aircraft: N199UA
- Make and model: Boeing 747422
- Aircraft serial: 28717
- Aircraft time: 13,857 hours, 1,654 cycles
- Engine: Pwa PW4056
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Controller
- Condition: Malfunctioned
- Location: Cargo Door
- 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/2000UALA00591

## Discrepancy

FWD CARGO DOOR OPENED BY ITSELF WHEN CB PUSHED IN.  ON ARRIVAL, CIRCUIT BREAKERS WERE PUSHED IN, WHEN PRESSURE RELIEF DOOR HANDLE WAS OPENED THE DOOR LATCHES OPENED AND THEN THE DOOR OPENED ON ITS OWN.  COULD NOT DUPLICATE PROBLEM AFTER INITIAL OPENING.

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