What was found
AIRCRAFT WAS GROUNDED: VERY STRONG "DIRTY SOCK" SMELL ON DESCENT. REPLACED THE LEFT HAND RECIRCULATION FAN. NO ADDTIONAL SMELL NOTED. PER AMM 21-25-02.
- Difficulty date
- June 9, 2024
- Submitted
- June 10, 2024
- Operation
- Air carrier
- Aircraft
- N905NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31156
- Aircraft time
- 34,107 hours, 146,678 cycles
- System (JASC)
- 2121 · Air Distribution Fan
- Part
- Fan
- Part number
- 6454052
- Part serial
- 10479
- Condition
- Odor
- Location
- Recirculation
- Part time
- 11,287 hours, 5,352 cycles
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.