Service difficulty report · Casting · Doug DC931

Difficulty date
March 13, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N987Z
Make and model
Doug DC931
Aircraft serial
47137
Part
Casting
Condition
Cracked
Location
Bs 737
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

DURING OP 16 MAINT CHECK, FOUND AT STA 737 BETWEEN WING CENTER SECTION AND FLOOR LINE CASTING WAS CRACKED, ALSO 3 INCHES I/B OF CASTING, ON RT SIDE. INSTALLED NEW FRAME PER SERVICE BULLETIN 53-131.

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