Service difficulty report · Bulb · Doug MD1010F

Difficulty date
March 17, 2011
Submitted
March 18, 2011
Operation
Air carrier
Aircraft
N567FE
Make and model
Doug MD1010F
Aircraft serial
46994
Aircraft time
71,739 hours, 24,498 cycles
Engine
Ge CF66D
Engine time
74,942 hours, 29,045 cycles
Part
Bulb
Part number
56B17
Condition
Failed
Location
Oil Temp
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
E, A

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

What was found

DURING CLIMB AT FL295, CLIMBING TO FL310 REC'D LEVEL II ALERT " ENG NR 1 OIL TEMP HIGH "TEMP INDICATED 203 DEG INITIALLY. AFTER SHUTDOWN TEMP CLIMBED TO 237 DEG. DURING DESCENT TEMP AVERAGED APPROX 160-165 DEG, EMERGENCY DECLARED. NO FUEL DUMPED. GENERAL VISUAL ON NR 1 ENGINE INLET AND TAILPIPE FOUND DAMAGE OR DEFECTS. DURING CREW DEBRIEF NR 1 OIL TEMP WAS ERRATIC AND GIVING INTERMITTENT OIL TEMP HIGH ALERTS. NR 1 ENGINE OIL TEMP CONTINUED TO READ HIGH AND FLUCTUATE LONG AFTER BLOCK-IN. R & R NR 1 ENGINE OIL TEMP SENSOR REF; MM 79-32-01-2. TEMP INDICATING NORMAL , DRY MOTOR LEAK CHECK GOOD. STILL NEEDS LAST STEP (9) OF MM 79- 32-01-2 COMPLIED WITH TO CLOSE WRITE-UP. COMPLIED WITH LAST STEP (9) OF AMM CH 79-32-01-2, OPS CHECKS NORMAL. ALSO RAN ALL ENGINES IN REF TO JRH FOR 10 MINUTES ON THE GROUND TO COMPARE NR 1 ENGINE TO THE OTHER 2, OIL TEMPS RESPECTIVELY WERE NR1-66C, NR 2-72C, NR 3-68C. ALSO COMPLIED WITH AMM CH 72-00-00-6-1 PARA E/2 AND PARA F. ALSO VERIFIED OPERATION FROM FIM FAULT CODE 79-32-03. ALL OPS CHECKS WERE NORMAL. ACFT OK FOR SERVICE. FINAL, CLOSED

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