SDR NSVA20070020

Service difficulty report · Dcu · Saab 340B

Difficulty date: January 28, 2007
Submitted: March 1, 2007
Operation: Air carrier
Aircraft: N341CJ
Make and model: Saab 340B
Aircraft serial: 341
Aircraft time: 27,299 hours, 33,175 cycles
System (JASC): 7712 · Engine BMEP/Torque Indicating
Part: Dcu
Part number: 6071T20P16
Part serial: ECOT1613
Condition: Malfunctioned
Location: Lt Engine
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: D

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

What was found

FOUND LT ENG IGNITION ILLUMINATED WITH TQ FLUX FULL SCALE AND ENGINE SURGING. REPLACED LEFT TORQUE SPEED SENSOR IAW GE MM 74-00-00, PN: 5066T92G05SN ON: 1253B, SN OFF: 51M0190B. REPLACED LEFT ENG DECU IAW GE MM CH 74-00-00. OPS CHECK GOOD. NO PROBLEMS NOTED, PN: 6071T20P16, SN ON: ECOT1599 SN OFF: ECOT1613.

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