SDR VNAA2010090900001

Service difficulty report · Duct · Cndair CL6002C10

Difficulty date: September 1, 2010
Submitted: September 9, 2010
Operation: Air carrier
Aircraft: N702PS
Make and model: Cndair CL6002C10
Aircraft serial: 10135
Aircraft time: 15,732 hours, 15,456 cycles
Engine: Ge CF348C5B1
Engine time: 12,886 hours, 12,915 cycles
System (JASC): 7520 · Engine Cooling System
Part: Duct
Condition: Cracked
Location: Lt Engine
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

AT 16,000 FEET AFTER DEPARTURE FROM GPT, CREW REPORTED LEFT ENGINE OIL PRESSURE DROPPED TO ZERO AND THEN DISPLAYED DASHES. FUEL FEED TEMPERATURE ALSO DISPLAYED DASHES. CREW RETURNED TO GPT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND FOUND THE LEFT ENGINE 6TH STAGE BLEED AIR DUCT AFT OF THE OIL TANK TO BE CRACKED. MAINTENANCE REMOVED AND REPLACED THE LEFT ENGINE AND PERFORMED CHECKS. ALL WORK WAS ACCOMPLISHED USING THE AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT WAS RELEASED FOR SERVICE.