What was found
AFTER START, LT PACK LIGHT ILLUMINATES ON RECALL, CYCLED PACK SWITCH, SAME RESULT. ACFT GROUNDED. R & R LT PACK TEMP CONTROL VALVE IAW AMM 21-51-10/401. NO LEAKS NOTED. OPS CHECKS NORMAL.
- Difficulty date
- December 20, 2015
- Submitted
- December 24, 2015
- Operation
- Air carrier
- Aircraft
- N536AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35203
- Aircraft time
- 15,422 hours, 4,513 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 16561
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 15,467 hours, 4,530 cycles
- Stage of operation
- TX
- 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.