What was found
NR 1 PACK ELEC SMOKE, VIBRATION AFTER TAKEOFF. VIBRATION STOPPED WITH NR 1 PACK OFF. REMOVED AND REPLACED NR 1 PACK AIR CYCLE MACHINE IAW AMM 21-51-04, RAN PACK ON GROUND FOR 2 HOURS, ALL OPERATIONS NORMAL.
- Difficulty date
- October 2, 2005
- Submitted
- October 3, 2005
- Operation
- Air carrier
- Aircraft
- N682UP
- Make and model
- Boeing 747121
- Aircraft serial
- 20349
- Engine
- Pwa JT9D7A
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Acm
- Part number
- 7192389
- Part serial
- J10250
- Condition
- Inoperative
- Location
- Nr 1
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- E, B
- Precautionary procedure
- J, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.