SDR MALA976388

Service difficulty report · Control Unit · Saab 340B

Difficulty date: March 8, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N429XJ
Make and model: Saab 340B
Aircraft serial: 429
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Control Unit
Part number: D49410001
Condition: Failed
Location: Landing Gear
Stage of operation: DE
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

WHEN GEAR SELECTED DOWN, GEAR MOTOR RAN CONTINUOUSLY WITH NO GEAR EXTENSION, FOUND F7 CB POPPED, RESET CB, GEAR FUNCTIONED NORMAL. LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED LANDING GEAR CONTROL UNIT AND CB AT F7 (P/N M53320-5). ALL CHECKS GOOD.

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