SDR F3LA2018101800456

Service difficulty report · Adiru · Airbus A320214

Difficulty date: October 14, 2018
Submitted: October 18, 2018
Operation: Air carrier
Aircraft: N210FR
Make and model: Airbus A320214
Aircraft serial: 4668
Aircraft time: 27,958 hours, 11,412 cycles
System (JASC): 3441 · Inertial Guidance System
Part: Adiru
Condition: Malfunctioned
Stage of operation: TO
How discovered: O
Nature of condition: O
Precautionary procedure: C

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

What was found

NAV IAS DISCREPANCY. FO'S IAS SHOWED 30% LESS SPEED THAN CAPT'S AND STANDBY IAS DISPLAYED. DEFERRED ADR2 PER MEL 34-10-01I CONTROL 1143664, DUE DATE 10/24/2018. SWAPPED ADIRU 1 AND 2, FAULT CLEARED. ADIRU 1, 2, AND 3 TESTED GOOD IAW AMM 34-12-34 PB 401 OPS CHECK GOOD. MEL CLEARED.

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