SDR AUCR20110215

Service difficulty report · Attach Fitting · Lkheed P3A

Difficulty date: February 15, 2011
Submitted: February 15, 2011
Operation: General aviation
Aircraft: N921AU
Make and model: Lkheed P3A
Aircraft serial: 151385
Aircraft time: 17,215 hours, 14,386 cycles
System (JASC): 5341 · Fuselage, Wing Attach Fittings
Part: Attach Fitting
Part number: 9017211
Condition: Cracked
Location: Zone 100
Part time: 17,215 hours, 14,356 cycles
Stage of operation: IN
How discovered: U
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

DURING ANNUAL INSPECTION, A DETAILED ULTRA-SONIC INSPECTION OF THE FUSELAGE WING ATTACH RING FITTINGS WERE INITIATED BY AN INTERNAL SB. A FATIGUE CRACK WAS APPRECIATED IN THE LT FWD FITTING, VERTICAL OTBD FLANGE APPROX 6" ABOVE UPPER TENSION BOLT.