Service difficulty report · Fitting · Doug DC1030

Difficulty date
August 9, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N1856U
Make and model
Doug DC1030
Aircraft serial
46975
Engine
Ge CF650C2
Part
Fitting
Part number
AUB7000504
Condition
Cracked
Location
Nr 1 Pylon
Stage of operation
IN
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

THE NR 1 PYLON RIGHT-HAND TRUSS FITTING IS CRACKED. THE CRACKS PROPAGATE FROM THREE FASTENER HOLES. THE CRACKS ARE NOT CONTINUOUS AND DO NOT EXTEND INTO FILLET RADIUS. *S/D* INSTALLED INTERIM REPAIR PER EVA SFO-1503 AND ALERT BULLETIN A54-99/A54-103. THE TRUSS FITTING WILL BE REINSPECTED EVERY 250 FLIGHT HOURS UNTIL PERMANENT REPAIR IS ACCOMPLISHED WITHIN 2 YEARS.

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