Service difficulty report · Stringer · Boeing 727225

Difficulty date
October 25, 2007
Submitted
February 18, 2008
Operation
Air carrier
Aircraft
N748DH
Make and model
Boeing 727225
Aircraft serial
22440
Aircraft time
46,617 hours, 27,939 cycles
Part
Stringer
Condition
Cracked
Location
Bs 940 S18a L
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

LEFT WHEEL WELL STRINGER 18A CRACKED AT BS 940. CUT OUT DAMAGED SECTION OF STRINGER 18A LEFT AFT OF STATION 940 NDT AREA IAW B-727 NDTM PT 6 51-00-00 FIGURE 23. NO CRACK BEYOND CUT OUT. FABRICATED AND INSTALLED REPAIR PARTS IAW BOEING SVC REQUEST AND REPAIR SKETCH NR 1-635344962. MATERIAL USED: ANGLES 2 EACH 0.100" 4130 STEEL AND 1 STRAP 0.100" 4130 STEEL PO NR 627737, RADIUS FILLERS 2 EACH 0.040" 4130 STEEL PO NR 314613 ALL STEEL PARTS HEAT TREATED TO 160-180 KSI IAW BRADDOCK METAL SPECS PO NR 7307388 STRINGER REPAIR FILLER 21.5" LONG P/N 65-58488-47 PO NR 7307281. ALL PARTS AND AREA TREATED AND PRIMED IAW B-727 SRM 51-10-2.