Service difficulty report · Floorbeam · Boeing 737277

Difficulty date
December 7, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N179AW
Make and model
Boeing 737277
Aircraft serial
22646
Part
Floorbeam
Part number
69779421
Condition
Cracked
Location
Bs 520
Stage of operation
IN
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 ROUTINE MAINTENANCE CHECK, FOUND CRACK FROM STOP DRILL HOLE OUTBOARD BS 520, LBL 24.75, WL 208. STOP DRILLED CRACK FROM HOLE WL 208, LBL 24.75. NDI VERIFICATION OF CRACK CONTAINMENT PER D6-37239.6. REPAIRED FLOORBEAM BS 520 PER EO 53-14-12 AND SB 737-53-1120R1.