Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- September 7, 2015
- Submitted
- September 10, 2015
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35179
- Aircraft time
- 34,828 hours, 10,569 cycles
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 9171
- Condition
- Malfunctioned
- Location
- Rt A/C Pack
- Part time
- 31,331 hours, 9,608 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
RT PACK LT ILLUMINATES ON MASTER CAUTION RECALL, EXTINGUISHES UPON MASTER CAUTION RESET. FAULT CODE 216 224 00. ACFT GROUNDED. INTERROGATED NR 2 ZONE TEMP CONTROLLER, FAULTED THE TEMP CONTROL VALVE, REF: AMM 21-61-00. REPLACED TCV RT PACK WITH NEW, REF: AMM 21-51-10. ZONE TEMP CONTROLLER INTERROGATED GOOD. OPS AND LEAK CHECK GOOD.