SDR DALA12010055651

Service difficulty report · Frame · Boeing 757251

Difficulty date: September 25, 2012
Submitted: October 16, 2012
Operation: Air carrier
Aircraft: N551NW
Make and model: Boeing 757251
Aircraft serial: 26498
Aircraft time: 34,256 hours, 13,887 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Dented
Location: Bs 620
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

FWD CARGO LT STA 620 BETW STR 24-25L FRAME UPPER FLANGE IS DENTED. REMOVED PRODUCTION SPLICE, STA 630 BETWEEN STR 25 & 26 LT. REMOVED STRINGER CLIP, STR 24 LT AND SHEAR TIE BETWEEN STR 23 & 24 IAW SRM 51-40-02, PG 31. CUT OUT DAMAGED ON UPPER FRAME L. 800 W. 1.0, D. .030 AT STA 620 BETWEEN STR 24L & 25 L IAW SRM 53-00-07, FIG 201. REPAIR NR 5 FABRICATED REPAIR ANGLE, STINGER CLIP AND SHEAR TIE, TREATED AND PRIMED AND INSTALLED ALL PARTS IAW SRM 53-00-07, FIG 201, REPAIR 5. THIS IS A CATEGORY B.