SDR DALA1114739877

Service difficulty report · Longeron · Doug DC951

Difficulty date: February 14, 2011
Submitted: March 3, 2011
Operation: Air carrier
Aircraft: N786NC
Make and model: Doug DC951
Aircraft serial: 48148
Aircraft time: 68,643 hours, 62,328 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron
Condition: Cracked
Location: Bs 237 L17r
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

LONGERON 17R CRACKED AT FRAME STA 237 ATTACH POINT. REMOVED FASTENERS AT STA 229 BETWEEN LONGERONS 15R TO 18R IAW SRM 51-30-. REMOVED LONGERON 17R FROM STA 230 TO 320 IAW SRM 51-30-2, PAGE 24, PAR 7, DRILLED NEW LONGERON IAW SRM 51-10-4, PARA 2, PAGES 1 AND 2; INST LONGERON 17R FROM STA 230 TO 320 IAW SRM 51-30-2, PAGES 1, 2, AND 3, FIG 1, 2 AND SRM 51-30-5, PARA 7, PAGE 12. INSTALLED FASTENERS AT STA 229 BETWEEN LONGERONS 15R TO 18R IAW SRM 51-30-2, PAGES 1 ,2 AND 3, FIG 1 AND 2.

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