# SDR ASAA9710086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N746AS](https://openairdocs.org/aircraft/N746AS), registered now
- Make and model: Boeing 737-2X6C
- Registry model: [Boeing 737-2X6C](https://openairdocs.org/model/boeing-737-2x6c) (OpenAirDocs)
- Aircraft serial: 23123
- System (JASC): [5260 · Entrance Stairs](https://openairdocs.org/jasc/5260)
- Part: Crankshaft
- Part number: 69482481
- Condition: Worn
- Location: Aft Airstair
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA9710086

## Discrepancy

ANC - DURING MAINTENACNE CHECK, FOUND THE AFT AIRSTAIRS WOULD NOT EXTEND IN EMERGENCY.  REPLACED LOCK-OUT CRANK SPLINE SHAFT AND ADJUSTED RIGGING.  AFT AIRSTAIRS OPERATE NORMALLY.  TT:  38,772 HOURS.  TC:  36,960.  (X)

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