Service difficulty report · Floorbeam · Boeing 73776N

Difficulty date
May 22, 2021
Submitted
June 18, 2021
Operation
Air carrier
Aircraft
N7811F
Make and model
Boeing 73776N
Aircraft serial
28654
Aircraft time
52,475 hours, 31,228 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 663 Rbl46
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

CRACK IB HOLE ON LOWER CHORD LONGITUDINAL FLOOR BEAM RBL 45.57 AT BS663 CENTER PASSENGER CABIN ; 2021-229906 / REPAIRED LOWER CHORD LOWER LONGITUDINAL FLOOR BEAM RBL 45.57 AT BS 663 CENTER PASSENGER CABIN IAW EA# 21-153-01516 BARCODE TTG8Q005FNBT; EA# 21-153-01516-WIP1 BARCODE TTG8Q0059CRX; AND EA# 21-153-01516-WIP2 BARCODE TTG8Q005CCTM;REPAIRED LOWER CHORD LOWER LONGITUDINAL FLOOR BEAM RBL 45.57 AT BS 663 CENTER PASSENGER CABIN IAW EA# 21-153-01516 BARCODE TTG8Q005FNBT; EA# 21-153-01516-WIP1 BARCODE TTG8Q0059CRX; AND EA# 21-153-01516-WIP2 BARCODE TTG8Q005CCTM<BR>RII AND MAJOR REPAIR.;SUMMARY EA 21-153-01516 HAS BEEN APPROVED; ACTIVATED; AND ADDED AS A SUBTASK TO FAULT TTG8Q0055DBN.;TOOL USED P/N: NORTEC 500D; S/N: N500X11290U021704 AND DUE DATE: 08-OCT-21.;TOOL USED: CALIPER P/N 500-197-30; S/N A18135091; DUE DATE 28-JUN-21;TOOL USED: CALIPER P/N:700-113-10; S/N:0019306 DUE DATE:14-OCT-21;TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 112031023 DUE DATE: 22-JAN-22.;TOOL USED: P/N:NORTEC 600D; S/N: 190023010; DUE DATE: 01-DEC-21

More about the Boeing 737-76N