What was found
FOUND UNDERFLOOR RECIRCULATION FAN BROKEN. REMOVED FAN REF AMM 21-25-07-0401. REPLACED WITH NEW RECIRCULATION FAN REF AMM 21-25-07-401. PERFORMED FAN INSTALLATION TEST REF AMM. TEST IS OK.
- Difficulty date
- April 19, 2013
- Submitted
- April 23, 2013
- Operation
- Air carrier
- Aircraft
- N117UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28810
- Aircraft time
- 57,734 hours, 6,898 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2121 · Air Distribution Fan
- Part
- Fan
- Part number
- 732591F
- Part serial
- 108
- Condition
- Broken
- Location
- Recirculation
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.