Service difficulty report · Floorbeam · Boeing 7377CT

Difficulty date
January 15, 2021
Submitted
February 18, 2021
Operation
Air carrier
Aircraft
N566WN
Make and model
Boeing 7377CT
Aircraft serial
32753
Aircraft time
61,404 hours, 31,141 cycles
Part
Floorbeam
Condition
Cracked
Location
Zone 200
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

CRACK FLOOR BEAM LOCATED ON BS 294.5 AND RBL 52 AT FWD GALLEY AREA. REPAIRED FLOOR BEAM LOCATED ON BS 294.5 AND RBL 52 AT FWD GALLEY AREA IAW B737-700 SRM 53-10-51-2R-16 REPAIR 16 AND DWG 141A5502 REV E MATERIAL USED BAC 1503-101052 PO NR 2017-503198 REPAIR CHORD ANGLE (2EA) MATERIAL USED 7075-0.080' PO NR 2020-180355 BEAT TREATED TO T62 IAW BAC 5602 STEP 1(1EA) MATERIAL USED 7075 T6 0.071' PO NR 2019-57-7967 TAPERED FILLER (2EA) TAPERED FILLER (2EA) MATERIAL USED 7075 T6 0.071' PO NR 2019577967 FILLER (1EA) MATERIAL USED 7075 T6 0.080' PO NR 2015 543K7 SHIM (1EA) SHIM (1EA) MATERIAL USED 7075 T6 0.032' PO NR 2011-541570.

More about the Boeing 737-7CT