Service difficulty report · Prbc · Doug DC987

Difficulty date
July 16, 2004
Submitted
July 20, 2004
Operation
Air carrier
Aircraft
N803ML
Make and model
Doug DC987
Aircraft serial
49726
Aircraft time
40,427 hours, 23,526 cycles
Engine
Pwa JT8D219
Engine time
16,855 hours, 10,542 cycles
Part
Prbc
Part number
805373
Part serial
6150665
Condition
Failed
Location
Lt Side
Part time
8,568 hours, 5,173 cycles
Stage of operation
IN
How discovered
C
Nature of condition
M, J
Precautionary procedure
K

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

What was found

DURING TRANSIT CHECK WAS DETECTED HIGH TEMPERATURE ON LT ENGINE, REACHED 482 DEGREE F. ENGINE RUNNING WAS PERFORMED TO VERIFY EGT INDICATION APPLYING PNEUMATIC AND ELECTRICAL CHARGES GETTING MAXIMUM TEMPERATURE INDICATION OF 445 DEGREE F, BEING WITHIN LIMITS IAW MM 71-00-01. DURING OVERNIGHT SERVICE, LT PRBC AND P AND D VALVE WERE REPLACED IAW MM 75-31-01 AND 73-13-05, TESTS CORRECT.

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