SDR DALA12009420880

Service difficulty report · Stringer · Doug DC951

Difficulty date: October 7, 2012
Submitted: October 8, 2012
Operation: Air carrier
Aircraft: N675MC
Make and model: Doug DC951
Aircraft serial: 47651
Aircraft time: 78,270 hours, 65,806 cycles
System (JASC): 2810 · Fuel Storage
Part: Stringer
Condition: Cracked
Location: Fuel Cell
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

FUSELAGE CENTER SECTION FUEL AUXILIARY TANK LOWER STRINGER CRACKED VIEWED THRU 5115A & RBL6. CUT OUT DAMAGE IAW SRM 53-05, FIG 46. NDT VERIFY NO CRACKS NOTED AT CUT OUT. FABRICATED TWO REPAIR ANGLES. FABRICATED ONE REPAIR FILLER IAW SRM 53-05, FIG 46. LOCATED AND DRILLED REPAIR ANGLES & FILLER IAW 53-05, FIG 46. INSTALLED REPAIR ANGLES & FILLER IAW SRM 51-10-5 AND 53-05 FIG 46. TREATED AND PRIMED ANGLES & FILLER & AREA TO INSTALL. ANGLES FABRICATED & HEAT TREATED.

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