What was found
CRACKED DUCT AT NR 3 PACK SECONDARY HEAT EXCHANGER AT SEAL RETAINER. REPLACED DUCT PER BOEING MAINTENANCE MANUAL 21-51-06.
- Difficulty date
- October 25, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N858FT
- Make and model
- Boeing 747123
- Aircraft serial
- 20109
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Duct
- Part number
- 65B409321
- Condition
- Cracked
- Location
- Nr 3 Pack
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.