SDR DALA1115249877

Service difficulty report · Angle · 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
System (JASC): 5420 · Nacelle/Pylon Miscellaneous Structure
Part: Angle
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 SUPPORT ANGLE AT PYLON 2 WEB BEHIND PNEUMATIC DUCTS /FIRE SHIELD ACCESS THRU DOOR 8206A. DRILLED .025 STOP HOLE AT END OF THE CRACK IAW DC-9 SRM 54-01 FIG 2 SHT 3 HFEC INSPECTION STOP DRILL AND NO PROG NOTED FABBED NEW REPAIR ANGLES 2 EA. HFEC SURFACE OF 2 ANGLES PER NDT SPM 06-10-01.001 NO CRACKS DETECTED. TREATED AND PRIMED 2 REPAIR DOUBLER ANGLES IAW DC-9 SRM 51-10-3 PARA 14, 21 INST IAW DC-9 SRM 54-01 FIG 2 SHT 3.

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