SDR DALA1102659855

Service difficulty report · Cusp Web · Doug DC951

Difficulty date: January 12, 2011
Submitted: January 14, 2011
Operation: Air carrier
Aircraft: N764NC
Make and model: Doug DC951
Aircraft serial: 47717
Aircraft time: 77,185 hours, 77,042 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Cusp Web
Condition: Cracked
Location: Bs 237 Rbl 55
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

CABIN STA 237, RBL 55, BENEATH CUSP WEB CRACKED DOUBLER AT FASTENER HOLE. REMOVED 1EA FRAME FITTING IAW SRM 51-30-5. REMOVED FASTENERS & REPAIR IAW SRM 51-30-5. CUT-OUT DAMAGED AREA IAW SRM 53-10-16-801-663A-A, NDT VERIFIED DAMAGE. REMOVED IAW NDT SPM 01-10-01. FABRICATEDED FILLER DOUBLER IAW SRM 53-12-2, FIG 4 & DC9-A-53-1016-801-663A-A. TREATED AND PRIMED IAW SRM 51-10-3. INSTALLED IAW SRM 51-30-5. INSTALLED FRAME FITTING IAW SRM 51-30-1 11. REQUIRED INSP COMPLETED.

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