What was found
NR 3 PACK HAD NO CONTROL FROM FLIGHT ENGINEERS STATION. PACK STAYS ON AND WILL NOT SHUT DOWN. REMOVED AND REPLACED FLOW CONTROL VALVE PER MM 21-51-00.
- Difficulty date
- January 27, 2005
- Submitted
- February 4, 2005
- Operation
- Air carrier
- Aircraft
- N509MC
- Make and model
- Boeing 747230B
- Aircraft serial
- 21221
- Aircraft time
- 112,514 hours, 21,390 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Valve
- Part number
- 7644763
- Part serial
- G117199
- Condition
- Failed
- Location
- Nr 3 A/C Pack
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.