Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- June 13, 2017
- Submitted
- June 15, 2017
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35200
- Aircraft time
- 25,064 hours, 7,250 cycles
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 2591
- Condition
- Failed
- Location
- Rt A/C Pack
- Part time
- 69,333 hours, 39,904 cycles
- Stage of operation
- NR
- How discovered
- 9
- 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
RIGHT PACK CAUTION LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. CONFIRMED BITE CHECK HARD FAULT. REPLACED RT PACK TEMP CONTROL VALVE. BITE/LEAK/OPS CHECK OK. REF B737-800 AMM 21-51-10-400-801. CLEARS MEL 21-33D OPTION 1. CONFIRMED OPTIONAL CONFIGURATION DEVIATION IS RESTORED TO NORMAL.