SDR DALA2018120417010

Service difficulty report · Stringer · Boeing 757231

Difficulty date: December 1, 2018
Submitted: December 4, 2018
Operation: Air carrier
Aircraft: N722TW
Make and model: Boeing 757231
Aircraft serial: 29385
Aircraft time: 69,252 hours, 17,904 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Damaged
Location: Bs 560
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

(AIRCRAFT 6816, L/P 0847499) STRINGER 16L IS DAMAGED 2" AFT OF FRAME 560 STA. CUT OUT DAMAGED STRINGER FROM BS546 -570.5. STARTED TO DRILL UP REPAIR PER PRI 573400-14 REV 1 (588392). FINISHED DRILLING UP STRINGER AND SPLICE PER PRI 573400-14 REV 1 (651509). INSTALLED STRINGER REPAIR PER PRI 573400-14 REV 1. STRINGER CLIP NEEDS TO BE INSTALLED AFTER SHEAR TIE REPAIR AT STA 560 IS COMPLETE. INSTALLED STRINGER CLIP; REPAIR COMPLETE PER ER/A 573400-14 REV O. RII COMPLETE.