Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- September 3, 2013
- Submitted
- September 5, 2013
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35179
- Aircraft time
- 26,908 hours, 8,252 cycles
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 4798
- Condition
- Warning Light
- Location
- Lt A/C Pack
- Part time
- 35,026 hours, 15,493 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 LIGHT ILLUMINATES ON RECALL. EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONT BITE TEST REF 21-61-00. LT TCV FAULTED. R & R LT TCV IAW AMM 21-51-10. OPS & LEAK CHECKED GOOD. ACCOMPLISHED PACK/ZONE TEMP CONT, BITE TEST. BITE TEST PASS.