What was found
RECIRC FAN ABOVE 7 IS GRINDING & HAS A BURNING ODOR. [SUP 05-29-07] RECIRCULATION FAN INOP. REPLACED RECIRCULATION FAN AND FILTER. UNIT HAD BAD BEARINGS. REPLACED BEARING AND BALANCED ROTOR AND IMPELLER.
- Difficulty date
- March 15, 2007
- Submitted
- March 20, 2007
- Operation
- Air carrier
- Aircraft
- N341UA
- Make and model
- Boeing 737322
- Aircraft serial
- 24245
- Aircraft time
- 53,110 hours, 28,825 cycles
- Engine
- Cfmint CFM563C1
- System (JASC)
- 2121 · Air Distribution Fan
- Part
- Bearing
- Condition
- Failed
- Location
- Recirc Fan
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.