SDR DALA13000716307

Service difficulty report · Stringer · Boeing 747451

Difficulty date: January 9, 2013
Submitted: January 11, 2013
Operation: Air carrier
Aircraft: N667US
Make and model: Boeing 747451
Aircraft serial: 24222
Aircraft time: 97,543 hours, 11,950 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Cracked
Location: Bs 480 S8r
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 HFEC INSPECTION ON BS 480 S8R FOUND CRACK APPROX 0.5 IAW SB 747-53A2484, REV 1, FIG 12, STEP 2. STRINGER CUT IAW SB 747-53 A2484, REV 1, FIG 12, STEP 4. TRIMMED STRINGER FOUND NO CRACK EVIDENT IAW SB 747-53A2484, REV 1, FIG 12, STEP 4. REPAIR INSTALLED SB 747-53A2484, REV 1, FIG 12, STEP 5-21.