SDR ASAA2023102545837

Service difficulty report · Unknown · Boeing 737900ER

Difficulty date: October 25, 2023
Submitted: October 26, 2023
Operation: Air carrier
Aircraft: N407AS
Make and model: Boeing 737900ER
Aircraft serial: 41731
Aircraft time: 41,310 hours, 12,903 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: DE
How discovered: V
Nature of condition: J
Precautionary procedure: O

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

What was found

DURING DESCENT L FMC FAIL, QRH COMPLIED WITH, FMC REESTABLISHED. AFTER LANDING MULTIPLE FMC DISAGREE MESSAGE POSTED. GROUNDED - YES. PRM MSG PREVIOUS FLT FOR L-FMC, NO HISTORY PAST 30 DAYS. FMC OPERATIONAL TEST PASS REF B737-900 AMM 34-61 TASK 801.

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