Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- September 8, 2009
- Submitted
- September 10, 2009
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35177
- Aircraft time
- 12,308 hours, 3,520 cycles
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 8743
- Condition
- Faulty
- Location
- Lt Ac Pack
- Part time
- 12,308 hours, 3,520 cycles
- Stage of operation
- TX
- 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
LEFT PACK LIGHT ILLUMINATED AFTER RECALL RESET WITH MASTER CAUTION LIGHT EXTINGUISHED. ACCOMP PACK/ZONE TEMP CONT BITE CHECK RECORDED TCV FAULT LT PACK. REMOVED & REPLACED LT PACK TCV LEAK & OPS NORMAL REF M/M 21 51 10. ALL FAULTS CLEARED BITE CHECK GOOD REF M/M 21 61 00. VLV P/N VERIFIED EFFECTIVE REF IPC 21 51 10 03 ITEM 090.