Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- May 26, 2022
- Submitted
- May 31, 2022
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35682
- Aircraft time
- 53,589 hours, 15,847 cycles
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 18279
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 31,029 hours, 9,353 cycles
- Stage of operation
- DE
- 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.
What was found
DESCENT CHECKLIST MASTER CAUTION PUSHED RECALL. AMBER AIR COND. ILLUMINATED, LEFT PACK LT. ON RESET, LIGHT WENT OUT. GROUNDED - YES. REMOVED AND REPLACED #1 TCV PER B737-800 AMM 21-51-10. OPS CHECK GOOD. LEAK CHECK GOOD. ASA MEL CLEARED.