SDR DALA1108779884

Service difficulty report · Structure · Doug DC951

Difficulty date: February 5, 2011
Submitted: February 7, 2011
Operation: Air carrier
Aircraft: N677MC
Make and model: Doug DC951
Aircraft serial: 47756
Aircraft time: 68,218 hours, 58,356 cycles
System (JASC): 5240 · Service Doors
Part: Structure
Condition: Cracked
Location: Service Door
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 LEAK CK, 2 CRACKS WERE FOUND AT THE FWD LOWER AND THE UPPER AFT CORNERS OF THE FWD LAV SERVICE DOOR. THE FWD CRACK WAS FOUND TO BE 1.5" LONG AND AFT CRACK WAS 0.40" LONG. SECTION I - DURING LEAK CK. SECTION II - WITHIN EVERY 3,000 CYCLES AFTER SECTION I, SECTION III - ON OR BEFORE 8,000 CYCLES AFTER SECTION I.

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