SDR HEEA116969

Service difficulty report · Transducer · Bell 407

Difficulty date: August 19, 2007
Submitted: August 23, 2007
Operation: Air carrier
Aircraft: N612PH
Make and model: Bell 407
Aircraft serial: 53199
Aircraft time: 9,522 hours
Engine: Allsn 250C47B
System (JASC): 7931 · Engine Oil Pressure
Part: Transducer
Part number: 222375077113
Part serial: 60733A70
Condition: Failed
Location: Engine
Stage of operation: NR
How discovered: 9
Nature of condition: N
Precautionary procedure: O

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

What was found

10 MINUTES OUT, THE ENGINE OIL PRESSURE DROPPED TO ZERO, NO TORQUE FLUCTUATION, TEMP STABLE, NO CAUTION LIGHTS. LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ENGINE OIL PRESSURE TRANSDUCER PN 222-375-077-113, SN 6073-3A-70 AND THE ENGINE OIL TEMP-PRESS INDICATOR PN 407-375-004-103, SN 0842.

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