Service difficulty report · Doubler · Doug DC951

Difficulty date
March 3, 2011
Submitted
March 4, 2011
Operation
Air carrier
Aircraft
N786NC
Make and model
Doug DC951
Aircraft serial
48148
Aircraft time
68,643 hours, 62,328 cycles
Part
Doubler
Condition
Cracked
Location
Nr 2 Pylon
Stage of operation
IN
How discovered
9
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

CRACK ON REPAIR DOUBLER AT PYLON 2 AFT APRON SECTION WEB IN FRONT OF AFT MOUNT FITTING INSIDE ACCESS 8206A. REMOVED REPAIR DOUBLER IAW DC-9 SRM 51-30-5 PARA 8. HFEC INSPECTION PREV STOP DRILL NO PROGRESSION NOTED. FABBED REPAIR IAW SRM 54-01 FIG 2 SHEET 2 DC-9 SRM 54-10-0FIG 1 AND DC-9 SRM 51-10-2 PG: 1-3. HFEC SURFACE INSP AND NO CRACKS NOTED PRIMED NEW REPAIR DOUBLER IAW DC-9 SRM 51-10-3 AND INST IAW SRM 54-01 FIG 2 SHEET 2 AND DC-9 SRM 51-30-05.

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