SDR AALA201606279005

Service difficulty report · Fan · Airbus A321231

Difficulty date: June 26, 2016
Submitted: June 28, 2016
Operation: Air carrier
Aircraft: N974UY
Make and model: Airbus A321231
Aircraft serial: 4898
Aircraft time: 16,888 hours, 6,232 cycles
System (JASC): 2121 · Air Distribution Fan
Part: Fan
Part number: EVT3454HC
Part serial: 164902454
Condition: Failed
Location: Zone 100
Part time: 16,881 hours, 6,229 cycles
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.

What was found

AIRCRAFT WAS GROUNDED: UNUSUAL NOISE FROM BELOW FORWARD GALLEY FLOOR ACCOMPANIED BY ACRID ODOR IN COCKPIT. MAINTENANCE FOUND THE AVIONICS BLOWER FAN, 20HQ, BEARINGS WORN, GRINDING. REPLACED THE BLOWER FAN IAW AMM 21-26-51-400-001-A. A SATISFACTORY OPS CHECK WAS ACCOMPLISHED.

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