What was found
RT PACK LIGHT ILLUMINATED ON RECALL PRIOR TO DESCENT, EXTINGUISHED WITH MASTER CAUTION RESET IAW QRH. ACFT GROUNDED. REPLACED THE RT PACK TEMP CONTROL VALVE ASSY IAW AMM 21-51-10, OPS GOOD. BITES GOOD. NO FAULTS FOUND.
- Difficulty date
- December 31, 2017
- Submitted
- January 2, 2018
- Operation
- Air carrier
- Aircraft
- N494AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41729
- Aircraft time
- 7,567 hours, 2,477 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 26025
- Condition
- Malfunctioned
- Location
- Rt A/C Pack
- Part time
- 7,576 hours, 2,479 cycles
- Stage of operation
- CR
- 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.