Service difficulty report · Control Valve · Boeing 737990ER
FAA SDR system
- Difficulty date
- March 7, 2020
- Submitted
- March 10, 2020
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 25,303 hours, 8,141 cycles
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 8626
- Condition
- Intermittent
- Location
- Ac Bay
- Part time
- 48,264 hours, 16,472 cycles
- Stage of operation
- NR
- 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
ON RECALL RT PACK LIGHT ILLUMINATED QRH PERFORMED. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. #2 PZTC BITE PREV FLT LOGGED "THIS PACK TCV" FAULT. REF B737-900 FIM 21-62 TASK 831. REMOVED AND REPLACED RIGHT TCV V141. PZTC BITE AND RIGHT PACK OPS CHECKED GOOD.