SDR AALA201905239003

Service difficulty report · Fmc · Doug MD83

Difficulty date: May 22, 2019
Submitted: May 24, 2019
Operation: Air carrier
Aircraft: N9620D
Make and model: Doug MD83
Aircraft serial: 53591
Aircraft time: 60,419 hours, 30,214 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

AIRCRAFT NOT GROUNDED: PILOT REPORTS DURING CRUISE FLIGHT, FMC DISPLAYED PERT/NAV UNAVAILABLE. NAV DISCONNECTED AND WENT TO HDG HOLD/ALT HOLD. ALL PERF DATA DUMPED. RELOADED PERF DATA AND OPERATION RETURNED TO NORMAL. MAINTENANCE PERFORMED AFMC RESET PROCEDURE IAW AMM 34-63-02. OPS CHECKS OKAY.

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