Service difficulty report · Relay · Beech B300

Difficulty date
January 5, 2023
Submitted
January 16, 2023
Operation
Air carrier
Aircraft
N863UP
Make and model
Beech B300
Aircraft serial
FL1063
Aircraft time
4,791 hours, 4,028 cycles
Part
Relay
Part number
SM50D7
Condition
Intermittent
Location
Flap Sys
Part time
4,791 hours, 4,028 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

ON APPROACH FLAPS DID NOT EXTEND. CREW FOLLOWED CHECKLIST. ZERO DEGREE FLAPS LANDING ACCOMPLISHED. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE FLAP MOTOR DYNAMIC RELAY. SYSTEM GROUND OPERATIONAL CHECKS PERFORMED WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.

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