# SDR FDEA201509062807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2015
- Submitted: September 8, 2015
- Operation: Air carrier
- Aircraft: [N575FE](https://openairdocs.org/aircraft/N575FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48500
- Aircraft time: 755 hours, 16,527 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Snap Ring
- Condition: Out Of Position
- Location: Lt Horiz Stab
- Stage of operation: UK
- 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/FDEA201509062807

## Discrepancy

RETAINER SNAP RING FOR BEARING ON SMALL DRIVE CHAIN SPROCKET FOR LT HORIZONTAL STAB MOTOR COMPLETELY POPPED OUT.  REPLACED SMALL DRIVE CHAIN SPROCKET FOR LT HORIZONTAL STAB MOTOR & JACK SCREW WITH NEW ASSEMBLY.  PERFORMED TENSION CHECK & SECURED HARDWARE IAW AMM 27-44-02-4.

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