SDR IXXA120326IAI007S

Service difficulty report · Stringer · Boeing 767223

Difficulty date: February 2, 2012
Submitted: March 26, 2012
Operation: Air carrier
Aircraft: N312AA
Make and model: Boeing 767223
Aircraft serial: 22315
Aircraft time: 77,627 hours, 17,677 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Cracked
Location: Zone 800
Part time: 76,525 hours, 17,182 cycles
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

DURING C18 CHECK INSPECTION, FOUND A CRACK AT STRINGER S25L END, BS 676, POINTING AFT. DAMAGE IS LOCATED AT THE STRINGER WEB EXTENDING FOR ABOUT 5 INCHES. TRIMMED OUT DAMAGED. PERFORMED HFEC INSPECTION OF TRIM OUT AND 3 INCHES AROUND INSURE CRACK FREE IAW NDT PART 6. TOUCHED UP EXPOSED EDGE OF STRINGER TRIM OUT AND ANY BARE AREA OF THE SURROUNDING STRUCTURE WITH CHEMICAL CONVERSION COATING IAW SRM 51-20-01. INSTALLED REPAIR PARTS AS SHOWN IN FIG 3 OF REPAIR EA MF00852R0006.