SDR TIM2001F00006

Service difficulty report · B-Nut · Beech 1900

Difficulty date: May 22, 2001
Submitted: August 28, 2001
Operation: Air carrier
Aircraft: N172GA
Make and model: Beech 1900
Aircraft serial: UB11
System (JASC): 7920 · Engine Oil Distribution (Airframe Furnished)
Part: B-Nut
Condition: Loose
Location: Oil System
Stage of operation: NR
How discovered: O
Nature of condition: K, J
Precautionary procedure: E

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

What was found

OIL LINE TO THE TORQUE MANIFOLD, B-NUT CAME LOOSE, OIL PRESSURE FLUCTUATED AND ENGINE SHUT DOWN. AIRCRAFT LANDED. ENGINE WAS INSPECTED AS PER MM, LOW OIL PRESSURE PROCEDURE. NO DAMAGE FOUND - OIL SERVICED AND ENGINE TEST RUN PER P/W CHECK.

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