SDR JIKA2013101001

Service difficulty report · Diode · Beech C99

Difficulty date: October 10, 2013
Submitted: October 14, 2013
Operation: Air carrier
Aircraft: N330AV
Make and model: Beech C99
Aircraft serial: U230
Aircraft time: 23,913 hours, 32,939 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Diode
Condition: Failed
Location: Landing Gear
Stage of operation: AP
How discovered: O
Nature of condition: H
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, LANDING GEAR WOULD NOT EXTEND, AND PILOT NOTED LOSS OF POWER TO NR 2 DUAL FED BUSS. PILOT MANUALLY EXTENDED GEAR AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE NR 3 DUAL NR 2 BUSS FEEDER DIODE BAD AND REPLACED IT WITH NEW SERVICEABLE DIODE.

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