SDR TWAA0004703

Service difficulty report · Angle · Doug DC931

Difficulty date: March 20, 2000
Submitted: March 23, 2000
Operation: Air carrier
Aircraft: N989Z
Make and model: Doug DC931
Aircraft serial: 47135
Aircraft time: 77,008 hours, 82,903 cycles
System (JASC): 5400 · Nacelle/Pylon Structure
Part: Angle
Condition: Cracked
Location: Rt Pylon
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 OP 16 MAINT CHECK, THE RT PYLON UPPER ATTACH ANGLE WAS CRACKED, RT SIDE APPROX STA 980. CRACK RUNS FWD .25 INCH. STOP DRILLED CRACK PER SRM 34-04, FIG 10. MANUFACTURED REPAIR ANGLE PER SRM 54-04 FIG 10 SHEET 4. INSTALLED REPAIR ANGLE WET AND WITH APPROVED FASTENERS PER SRM 54-04 FIG 10.

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