# SDR CALA9700198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N79749
- Make and model: Boeing 727224
- Aircraft serial: 22451
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Accessory Unit
- Part number: 656021138
- Condition: Inoperative
- Location: E/E Compt
- Part time: 31,132 hours
- Stage of operation: TO
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA9700198

## Discrepancy

THE LANDING GEAR OVERRIDE TRIGGER HAD TO BE USED TO RETRACT GEAR AFTER TAKEOFF. TROUBLESHOOTING PER MM 32-31-11, FOUND NO FAULTS.  THE LANDING GEAR ACCESSORY UNIT WAS REPLACED AS A PRECAUTIONARY MEASURE, OPERATIONAL CHECKS WERE GOOD.

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