# SDR ASAA12510878

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2012
- Submitted: January 4, 2012
- Operation: Air carrier
- Aircraft: [N552AS](https://openairdocs.org/aircraft/N552AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 34595
- Aircraft time: 23,179 hours, 7,331 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Fastener
- Part number: NAS11031W
- Condition: Missing
- Location: L1 Door
- Component: Door
- Component part number: 141A61505
- Stage of operation: TX
- 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/ASAA12510878

## Discrepancy

UPON ARRIVAL L1 DOOR COULD NOT BE OPENED.  WHEN DOOR DID OPEN IT MADE SOME LOUD GRINDING NOISES.  FOUND SCREW & KEY WASHER MISSING FROM GUIDE ARM LOWER RADIUS LINK.  INSTALLED NEW SCREW & KEY WASHER & DOOR OPERATES NORMALLY. REF MM 52 11 21 400 802 STEP 4. D G.  NO RIGGING OR ADJUSTMENT REQUIRED.

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