SDR DALA1127479871

Service difficulty report · Intercostal · Doug DC951

Difficulty date: April 13, 2011
Submitted: April 20, 2011
Operation: Air carrier
Aircraft: N780NC
Make and model: Doug DC951
Aircraft serial: 48102
Aircraft time: 72,571 hours, 67,115 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Cracked
Location: Fs 764
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

MAIN CABIN-FS 764 BELOW RT AFT EMERGENCY EXIT VERTICAL INTERCOSTAL IS CRACKED. REMOVED 1 EA VERTICAL INTERCOSTAL, STOPPED DRILLED CRACK .25 DIA HFEC INSP STOP DRILL, CRACK, CONTAINED, NDT SPM 06-10-01-001, MAT I/D 7075-T6 .063 FAB 2EA REPAIR DOUBLER 7075-T6 .032, INSTALLED REPAIR DOUBLER. INSTALLED INTERCOSTAL AND WEB AT STA 753-775 RT SIDE IAW SRM 51-30-2,51-30-5. REQUIRED INSP COMPLETED.

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