Service difficulty report · Turbine Blades · Doug DC987

Difficulty date
June 28, 2007
Submitted
June 29, 2007
Operation
Air carrier
Aircraft
N803ML
Make and model
Doug DC987
Aircraft serial
49726
Aircraft time
48,934 hours, 28,891 cycles
Engine
Pwa JT8D219
Engine time
44,078 hours, 26,700 cycles
Part
Turbine Blades
Condition
Cracked
Location
Lt Engine
Part time
44,078 hours, 26,700 cycles
Stage of operation
IN
How discovered
O
Nature of condition
C
Precautionary procedure
K

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

What was found

DURING LT ENGINE BOROSCOPIC INSPECTION WAS DETECTED A FIRST STAGE TURBINE BLADE WITH A CRACK OF 0.500 INCH IN TIP. ENGINE WAS REPLACED IAW MM 71-00-02 AND OPERATIONALLY TESTED IAW MM 71-00-01, ALL CORRECT.

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