- Difficulty date
- April 28, 2015
- Submitted
- April 30, 2015
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 32,429 hours, 10,088 cycles
- Part
- Valve
- Part number
- 3989083
- Part serial
- 8900
- Condition
- Malfunctioned
- Location
- Lt A/C Pack
- Part time
- 29,345 hours, 9,302 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.
What was found
ON RECALL MASTER CAUTION "AIRCON' AND LT "PACK" LIGHT ILLUMINATED SYS RESET NORMAL. ACFT GROUNDED. RAN PACK BITE TEST, LT TCV FAULT. REPLACED LT TCV, REF AMM 21-51-10. LT AND RT PACK OPS CHECK GOOD. RERAN PACK BITE TEST, NO FAULT FOUND.