Service difficulty report · Blades · Doug DC983

Difficulty date
April 25, 2011
Submitted
May 6, 2011
Operation
Air carrier
Aircraft
N838AM
Make and model
Doug DC983
Aircraft serial
49397
Aircraft time
69,953 hours, 34,261 cycles
Engine
Pwa JT8D
Part
Blades
Part number
815331
Part serial
AS7309
Condition
Dented
Location
Lt Engine
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING THE MX INSP, 3 BLADES OF THE HPC 1ST STAGE WITH DENT ON L/E OUT OF LIMITS IN THE LT ENGINE IAW MM 72-00-00 WITH DIMENSIONS OF 2.3750 INCHES LENGTH, 1 INCH DEPTH, .6250 INCH FROM TIP; 2.5 INCHES LENGTH, 1 INCH DEPTH, 1 INCH FROM TIP AND 2 INCHES LENGTH, .5 INCH DEPTH, 1 INCH FROM TIP. MX PERSONNEL REPLACED THE BLADES AND TESTED THE LT ENGINE IAW MM 72-21-00, MM 72-23-01 AND MM 72-363-21, ALL CORRECT.

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