# SDR 96UAL900439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N662UA](https://openairdocs.org/aircraft/N662UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27159
- Engine: Pwa PW4060
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Controls
- Condition: Stiff
- Location: Elevator
- Stage of operation: DE
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96UAL900439

## Discrepancy

UNABLE TO HOLD ALTITUDE AT 10,000 FEET ON AUTO-PILOT.  DISCONNECTED AUTO-PILOT AND ELEVATOR WAS STIFF.  FLEW FOR 5 TO 10 MINUTES USING STABILIZER FOR PITCH CONTROL.  WHILE PUSHING UP AND DOWN SOMETHING LET GO AT 4,000 FEET.  AIRCRAFT FLEW NORMAL FOR THE REST OF THE FLIGHT.  *S/D*  PERFORMED VISUAL INSPECTION OF CONTROL CABLE SYSTEM PER MM 27-31-00.  NO FAULTS WERE FOUND IN MAINTENANCE CONTROL DISPLAY UNIT.  CHECKED ELEVATOR WITH EACH HYDRAULIC SYSTEM INDIVIDUALLY AND FOUND NO FAULTS.  NO SPECIFIC PARTS FOUND DAMAGED OR FAULTED.

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