Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- August 16, 2013
- Submitted
- August 20, 2013
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35685
- Aircraft time
- 22,272 hours, 6,905 cycles
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 11596
- Condition
- Faulted
- Location
- Lt A/C Pack
- Part time
- 15,038 hours, 5,126 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK ON RECALL. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED PACK ZONE TEMP CONT BITE LT SIDE FOUND TCV FAULTED. REPLACED LT TCV REF AMM 21-51-10. OPS & LEAK CKS GOOD. RE-PERFORMED PACK ZONE TEMP BITE LT SIDE-NO NEW FAULTS- TCV CKS GOOD. REF AMM 21-61-00-700-806-002.