SDR AALA201810089052

Service difficulty report · Accelerometer · Airbus A321231

Difficulty date: October 6, 2018
Submitted: October 18, 2018
Operation: Air carrier
Aircraft: N127AA
Make and model: Airbus A321231
Aircraft serial: 6334
Aircraft time: 13,397 hours, 3,890 cycles
System (JASC): 7732 · Engine Vibration Analyzer
Part: Accelerometer
Condition: Defective
Location: Zone 400
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

AIRCRAFT WAS NOT GROUNDED: ENGINE N1 VIBRATION CYCLED DURING CLIMB, CRUISE, DESCENT, EVEN DURING IDLE DESCENT. TOTAL CYCLE TIME APPROXIMATELY 3 SECONDS EACH. INSTALLED ACCELEROMETER PER AMM 77-32-15. ACCOMPLISHED RUN PER AMM 71-00-00, ALL N1 INDICATION NORMAL.

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