SDR DALA1036809855

Service difficulty report · Stiffener · Doug DC951

Difficulty date: November 16, 2010
Submitted: December 29, 2010
Operation: Air carrier
Aircraft: N764NC
Make and model: Doug DC951
Aircraft serial: 47717
Aircraft time: 77,185 hours, 77,042 cycles
Engine: Pwa JT8D9
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Stiffener
Condition: Cracked
Location: Aft Press Blkhd
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 M-CHECK, FOUND MAIN CABIN-APB LT UPPER HORIZ STIFFENER IS CRACKED AT AFT ENTRY DOOR LT UPPER CORNER. REMOVED CRACKED HORIZ STIFFENER & ATTACH ANGLES IAW SRM 51-30-2 & 51-30-5. LOCATED, DRILLED, REINSTALLED NEW STIFFENER AND ATTACH ANGLES IAW SRM 51-10-4,51-30-2,51-30-5 AND DWG 9915558.

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