# SDR COMA9960249

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N981CA
- Make and model: Cndair CL6002B19
- Aircraft serial: 7163
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Mcu
- Part number: 70623
- Condition: Failed
- Location: Horiz Stab
- Part time: 10,355 hours
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9960249

## Discrepancy

AP PITCH TRIM CAUTION MESSAGE CAME ON DURING FLIGHT.  STAB TRIM CH 1 WOULD NOT ALLOW TRIM PAST FOUR UNITS.  STAB TRIM CH 2 WOULD ALLOW TRIM PAST FOUR UNITS.  REMOVED HSTA AND MCU, INSTALLED SERVICEABLE HSTA AND MCU.

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