What was found
RIGHT PACK LIGHT ILLUMINATES ON MASTER RECALL. ACF GROUNDED. PERFORMED BITE CHECK ON RT PACK, FOUND FAULT ON TEMPERATURE CONTROL VALVE. R & R RT PACK TEMPERATURE CONTROL VALVE REF AMM 21-21-10. LEAK CHECK GOOD, OPS CHECK NORMAL.
- Difficulty date
- December 18, 2014
- Submitted
- December 22, 2014
- Operation
- Air carrier
- Aircraft
- N459AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36352
- Aircraft time
- 2,840 hours, 915 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989084
- Part serial
- 20980
- Condition
- Failed
- Location
- Rt A/C Pack
- Part time
- 2,861 hours, 920 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.