What was found
AIR TURNBACK/DECLARED EMERGENCY, ON CLIMBOUT THE NOSE STARTED TO PITCH UP WITHOUT A/P ENGAGED, TRIED NOSE DOWN TRIM AND WOULD NOT WORK. MANUALLY TRIMMED A/C - NO C/B'S POPPED. R&R NOSE DOWN LIMIT SWITCH IAW AMM.
- Difficulty date
- January 22, 2019
- Submitted
- January 24, 2019
- Operation
- Air carrier
- Aircraft
- N7851A
- Make and model
- Boeing 7377Q8
- Aircraft serial
- 28240
- Aircraft time
- 50,677 hours, 33,822 cycles
- System (JASC)
- 2741 · Stabilizer Position Indicating
- Part
- Limit Switch
- Part number
- 251A4700
- Condition
- Faulty
- Location
- Horiz Stab
- Stage of operation
- CL
- 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.