What was found
DURING CLIMB-OUT, PACK 2 TRIP OCCURRED AND SMOKE WAS REPORTED IN THE CABIN. AIRCRAFT RETURNED TO DEPARTURE. MAINTENANCE FOUND NR 2 PACK ACM FAILED. PACK DEFERRED AND AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- August 5, 2012
- Submitted
- August 6, 2012
- Operation
- Air carrier
- Aircraft
- N662US
- Make and model
- Boeing 747451
- Aircraft serial
- 23720
- Aircraft time
- 96,502 hours, 12,324 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Acm
- Condition
- Failed
- Location
- Nr 2
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.