What was found
OBSERVERS GASPER BEHIND FIRST OFFICER SEAT HAS NO AIRFLOW. FLEX HOSE ASSEMBLY BEHIND HAS COLLAPSED DUE TO SPIRAL SUPPORT SEPARATION BEHIND VENT. REPLACED FLEX DUCT AT FIRST OBSERVERS SEAT.
- Difficulty date
- August 20, 2013
- Submitted
- August 23, 2013
- Operation
- Air carrier
- Aircraft
- N105UA
- Make and model
- Boeing 747451
- Aircraft serial
- 26473
- Aircraft time
- 78,129 hours, 9,155 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2120 · Air Distribution System
- Part
- Duct
- Condition
- Collapsed
- Location
- Cockpit
- 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.