What was found
MACH TRIM FAIL LIGHT ILLUMINATED BRIEFLY DURING ARRIVALS AT FIRST FLAP EXTENSION. ACFT GROUNDED. REPLACED MACH TRIM ACTUATOR. OPS CHECKED GOOD IAW AMM 22-11-24.
- Difficulty date
- October 31, 2013
- Submitted
- November 5, 2013
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 91 hours, 34 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Actuator
- Part number
- 2A7206B
- Part serial
- B4747
- Condition
- Failed
- Location
- Mach Trim
- Part time
- 98 hours, 35 cycles
- Stage of operation
- AP
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.