SDR NSVA201088

Service difficulty report · Pressure Gauge · Saab 340B

Difficulty date: May 31, 2010
Submitted: June 4, 2010
Operation: Air carrier
Aircraft: N321CJ
Make and model: Saab 340B
Aircraft serial: 340B321
Aircraft time: 34,462 hours, 36,100 cycles
System (JASC): 7931 · Engine Oil Pressure
Part: Pressure Gauge
Condition: Defective
Location: Cockpit
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

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

What was found

HIGH PITCH SOUND COMING FROM RT ENGINE DURING CLIMB. LT ENGINE OIL PRESSURE GAUGE FLUCTUATION, PROP OIL TEMP WENT TO ZERO AND HYDRAULIC QUANTITY INDICATOR READING BECAME ERRATIC DURING CRUISE. FOUND 1 BLADE SLIGHTLY CURLED, WITHIN LIMITS. REMOVED AND REPLACED RED OIL PRESS GAUGE, REMOVED AND REPLACED OIL PRESS TRANSDUCER, REMOVED AND REPLACED PROP OIL TEMP GAUGE, REMOVED AND REPLACED HYD RESERVOIR.

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