# SDR USAA20101020SB171

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2010
- Submitted: October 20, 2010
- Operation: Air carrier
- Aircraft: [N438US](https://openairdocs.org/aircraft/N438US), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24560
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Washer
- Part number: MS166241037
- Condition: Missing
- Location: Entry Door
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA20101020SB171

## Discrepancy

PHL - PILOT REPORTED THE FORWARD MAIN ENTRY DOOR WILL NOT OPEN OR CLOSE.  MAINTENANCE FOUND THE UPPER HINGE HOLD OPEN MECHANISM JAMMED.  REPLACED MISSING WASHER AND REMOVED AND REPLACED PIN ON FORWARD ENTRY DOOR RELEASE LEVER IN ASSOCIATION WITH MM 52-10-00.  DOOR OPERATES SMOOTHLY.  AIRCRAFT OK FOR SERVICE.

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