Service difficulty report · Keelbeam · Boeing 727225

Difficulty date
October 8, 2009
Submitted
October 9, 2009
Operation
Air carrier
Aircraft
N465FE
Make and model
Boeing 727225
Aircraft serial
21289
Aircraft time
53,154 hours, 37,870 cycles
Part
Keelbeam
Part number
65182333
Condition
Cracked
Location
Bs 870
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

LT KEELBEAM CHORD IS CRACKED AT BS 870, LBL 4. CUT OUT DAMAGE AREA DIM 2" IAW FEDEX 727 EA 7-5310-135501, FAB REPAIR DOUBLER MAT USED 15-5 PH .071" PO # 290342001 DIM (85/8" X 4") IAW EA 7-5310-135501. ACCOMPLISHED HARDNESS TEST VERIFICATION OF FABRICATED PARTS WITH A HRC NR 41 CONVERTED TO KSI 188 IAW B727 SRM 51-10-3. CADMIUM PLATE REPAIR DOUBLER IAW MM 20-42-01 & 20-42-05, PRIMED REPAIR PART IAW SRM 51-10-2, INSTALLED REPAIR PART IAW EA 7-5310-135501.