# SDR 96ZZZX2177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Boeing 757*
- System (JASC): [2782 · Leading Edge Slat Actuator](https://openairdocs.org/jasc/2782)
- Part: Planetary Gear
- Part number: 5007404
- Condition: Corroded
- Location: Le Flap Actuator
- Component: Sundstrandem, 755299B
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX2177

## Discrepancy

ACTUATOR TORN DOWN, FOUND NEEDLE BEARING AND PLANET GEAR ASSEMBLIES CORRODED.  ONE GEAR CAUSING LOCKOUT AT PRE-TEST.  WATER INJESTED CAUSING NEEDLES TO FREEZE TO ONE EACH PLANET GEAR.  THIS GEAR ASSY COMES IN A SET CAUSING REPLACEMENT OF COMPLETE ASSY.  CARRIER THAT CONTAINS GEAR SET WORN DUE TO HIGH TORQUE REQUIRED TO ROTATE ACTUATOR.

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