What was found
AP "A" WILL NOT ENGAGE. GROUNDED - YES. REMOVED & REPLACE BOTH SOLENOIDS AT A/P ACTUATOR A (M943). IAW B737-900 AMM 22-11-12-400-801.
- Difficulty date
- April 16, 2023
- Submitted
- April 18, 2023
- Operation
- Air carrier
- Aircraft
- N479AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60576
- Aircraft time
- 27,507 hours, 8,575 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Valve
- Part number
- 8816001001
- Part serial
- T019567C
- Condition
- Failed
- Location
- L & R Mlg Wws
- Part time
- 27,504 hours, 8,574 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.