SDR AALA2019062549009

Service difficulty report · Display · Boeing 737823

Difficulty date: June 22, 2019
Submitted: June 25, 2019
Operation: Air carrier
Aircraft: N337PJ
Make and model: Boeing 737823
Aircraft serial: 33345
Aircraft time: 6,966 hours, 2,784 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Display
Condition: Malfunctioned
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: S
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 ONLY FOR ONE MINUTE THE FOLLOWING WERE OBSERVED: AFTER TWO HRS IN CRUISE FOS CDU BLANKED, THEN FMS FUNCTIONS GRADUALLY RETURNED, ALT IM NEXT TO N,S, VTR TRK ON CAS ND, LDG ALT AND NO LOW SPEED YELLOW AIRSPEED TAPE CAS PFD. MAINTENANCE ACCOMPLISHED FMC AND MCDU BUTE CHECKS IAW FIM 34-61-11. ALSO REALIGNED IRUS, FOUND NO FAULTS.