What was found
FLT DECK TRIM VALVE FAULT APPEARED WHILE PERFORMING #2 PZTC BITE CHECK FOR LL2 PER FIM 21-62 TASK 801. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-62 TASK 832. NO DEFECTS NOTED.
- Difficulty date
- June 9, 2021
- Submitted
- June 10, 2021
- Operation
- Air carrier
- Aircraft
- N409AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 30,337 hours, 9,808 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Valve
- Condition
- Faulted
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.