What was found
LT PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL, RESET. ACFT GROUNDED. R & R V139, AMM 21-61-21/401, TASK 21-61-21, REMOVAL, 21-61-21 INSTALL, BITE, AND LEAK TEST GOOD, OPS CHECK NORMAL.
- Difficulty date
- May 20, 2016
- Submitted
- May 24, 2016
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41731
- Aircraft time
- 14,065 hours, 4,493 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 2229
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 63,037 hours, 28,669 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.