What was found
NR 1 LEFT PACK LIGHT CAME ON IN CRUISE. RESET AND GOES OUT WHEN MASTER CAUTION RESET. ACFT GROUNDED. REMOVED AND REPLACED THE LEFT RAM AIR INLET ACTUATOR IAW AMM 21-51-21-400-801. OPS CHECKED GOOD.
- Difficulty date
- May 25, 2017
- Submitted
- May 30, 2017
- Operation
- Air carrier
- Aircraft
- N492AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44110
- Aircraft time
- 5,914 hours, 2,017 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Actuator
- Part number
- 676000141
- Part serial
- 676000145703
- Condition
- Failed
- Location
- Lt Ac Pack
- Part time
- 1,870 hours, 608 cycles
- Stage of operation
- CR
- 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.