What was found
UNCOMMANDED STAB TRIM MOVEMENT ON THREE SEPARATE OCCASIONS. *S/D* REPLACED STAB TRIM CONTROL RELAY R64. OPS TESTED NORMAL.
- Difficulty date
- December 21, 2000
- Submitted
- January 17, 2001
- Operation
- Air carrier
- Aircraft
- N957UA
- Make and model
- Boeing 737522
- Aircraft serial
- 26707
- Aircraft time
- 22,251 hours, 14,107 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 2740 · Stabilizer Control System
- Part
- Relay
- Condition
- Failed
- Location
- Stab Trim
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- F
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.