SDR AALA202003119011

Service difficulty report · Proximity Switch · Airbus A321231

Difficulty date: March 8, 2020
Submitted: March 11, 2020
Operation: Air carrier
Aircraft: N563UW
Make and model: Airbus A321231
Aircraft serial: 5368
Aircraft time: 24,739 hours, 9,762 cycles
System (JASC): 7830 · Engine Thrust Reverser
Part: Proximity Switch
Part number: 852701
Condition: Faulty
Location: Thrust Reverser
Stage of operation: TO
How discovered: O
Nature of condition: N
Precautionary procedure: C

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

What was found

AIRCRAFT GROUNDED - REJECTED TAKEOFF BELOW 80KTS, THRUST REVERSER #2 LIGHT ON EICAS. / ACCOMPLISHED TSM 78-30-00-810-848-B. FOUND PROXIMITY SWITCHES TO BE FAULTY. REMOVED AND REPLACED #2 THRUST REVERSER PROXIMITY SWITCHES, 4006KS (AALA202003099006) AND 4007KS (AALA202003119011), PER AMM 78-31-15. OPERATIONAL CHECK GOOD.

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