# SDR ASAA9710085

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N742AS](https://openairdocs.org/aircraft/N742AS), registered now
- Make and model: Boeing 737290C
- Aircraft serial: 23136
- System (JASC): [5260 · Entrance Stairs](https://openairdocs.org/jasc/5260)
- Part: Bearing
- Part number: BACB10BA64F11
- Condition: Broken
- 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/ASAA9710085

## Discrepancy

ANC - DURING MAINTENANCE CHECK, FOUND THE AFT AIRSTAIRS WOULD NOT EXTEND IN EMERGENCY.  REPLACED BROKEN CAM FOLLOWER BEARING AND EMERGENCY EXTENSION OPERATED NORMALLY.  TT:  37,465 HOURS.  TC:  33,390.  (X)

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