SDR AWXA200200994

Service difficulty report · Bearing · Airbus A320232

Difficulty date: October 10, 2002
Submitted: October 31, 2002
Operation: Air carrier
Aircraft: N619AW
Make and model: Airbus A320232
Aircraft serial: 527
Aircraft time: 22,222 hours, 10,303 cycles
System (JASC): 2121 · Air Distribution Fan
Part: Bearing
Condition: Failed
Location: Avionics Fan
Part time: 497 hours, 200 cycles
Stage of operation: IN
How discovered: C
Nature of condition: B
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING INSPECTION MAINTENANCE OBSERVED A BURNING ODOR COMING FROM THE AVIONICS FAN. REMOVED AND REPLACED AVIONICS FAN (20HQ) IAW AMM 21-26-51-401, OPERATIONAL TEST PERFORMED IAW AWA T/C F1B21302. VENDOR BENCH TEST OF AVIONICS FAN WAS NO FAULT FOUND. RAN FAN FOR 30 MINUTES, COULD NOT DUPLICATE A BURNING ODOR. DURING TEST A SLIGHT NOISE WAS HEARD FROM BEARINGS, REPLACED BOTH BEARING FOR BEING LOOSE, FUNCTIONAL TEST ACCOMPLISHED IAW 21-26-42.

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