Service difficulty report · Circuit Breaker · Beech C99

Difficulty date
January 2, 2023
Submitted
January 5, 2023
Operation
Air carrier
Aircraft
N51RP
Make and model
Beech C99
Aircraft serial
U212
Aircraft time
28,028 hours, 41,454 cycles
Part
Circuit Breaker
Part number
7270520
Condition
Failed
Location
Crew Station
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

PILOT REPORTED THAT AFTER TAKEOFF FROM KPBG, HE NOTED AN ELECTRICAL SMELL IN THE COCKPIT AND NOTICED TRACES OF SMOKE FROM THE LH LANDING LIGHT CIRCUIT BREAKER. PILOT NOTED THAT THE CIRCUIT BREAKER FELT HOT AND HAD SHUT OFF ON ITS OWN. PILOT PERFORMED AN AIR RETURN TO KPBG AND LANDED WITHOUT INCIDENT. PILOT DID NOT DECLARE AN EMERGENCY. MAINTENANCE TROUBLESHOT SYSTEM TO A BAD LH LANDING LIGHT CIRCUIT BREAKER. MAINTENANCE REMOVED AND REPLACED THE CIRCUIT BREAKER PN 7270-5-20. ALL OPS CHECKS WERE GOOD, AND AIRCRAFT HAS FLOWN WITH NO FURTHER ISSUES.

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