Service difficulty report · Control Valve · Boeing 737990ER
FAA SDR system
- Difficulty date
- April 8, 2020
- Submitted
- April 10, 2020
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43292
- Aircraft time
- 25,617 hours, 8,203 cycles
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 22098
- Condition
- Failed
- Location
- Ac Bay
- Part time
- 22,634 hours, 7,248 cycles
- Stage of operation
- NR
- How discovered
- O
- 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
RIGHT PACK ILLUMINATED ON RECALL. GROUNDED - YES. ACCOMPLISHED PACK/ZONE TEMPERATURE CONTROLLER BITE PER B737-900 AMM 21-61-00-700-806-002 #2 CNTRLR FAULTED RH PACK TCV. REMOVED AND REPLACED RH PACK TCV PER AMM 21-51-10. OPS CHECKS AND LEAK CHECKS GOOD.