What was found
PNEUMATIC COUPLING ABOVE THE LOW LIMIT VALVE HAS A LARGE AIR LEAK ON THE LEFT PACK. R & R THE DUCT SEALS IAW AMM 21-51-11, OPS CHECKED NORMAL.
- Difficulty date
- November 2, 2018
- Submitted
- November 5, 2018
- Operation
- Air carrier
- Aircraft
- N1439A
- Make and model
- Boeing 76733A
- Aircraft serial
- 28495
- Aircraft time
- 68,228 hours, 15,761 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Seal
- Part number
- 460200
- Condition
- Failed
- Location
- A/C Pack
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.