Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
May 25, 2022
Submitted
July 20, 2022
Operation
Air carrier
Aircraft
N483WN
Make and model
Boeing 7377H4
Aircraft serial
32472
Aircraft time
60,009 hours, 35,495 cycles
Part
Floorbeam
Condition
Cracked
Location
Aft Fuselage
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

CORROSION ON FLOORBEAM LOCATED BS986 RBL22 AND WL208 AT AFT GALLEY AREA 2022-274554 / [01] ULTRASONIC EQUIPMENT USED: P/N: 45MG; S/N:130066701; DUE DATE: 08-APR-23;[02] TOOL USED: ET EQUIPMENT P/N: NORTEC 600D; S/N: 60009161631; CAL DUE DATE: 03-DEC-22;[03] TOOL USED: DIGITAL CALIPER; P/N:500-193-30; S/N: 0000293; DUE DATE:16-SEP-22.;[04] REPAIRED FLOORBEAM UPPER CHORD AT BSTA 986.5; BTW RBL 10 AND RBL 50 & WL 208.10 BY EA# 22-153-0174; EA#22-153-01743-WIP1 AND 22-153-01743-WIP2; SEE INDIVIDUAL SIGN OFF BELOW;[05] EDITED STEP 4 (CORRECTED EA NUMBER)<BR>REPAIRED FLOORBEAM UPPER CHORD AT BSTA 986.5; BTW RBL 10 AND RBL 50 & WL 208.10 BY EA# 22-153-01743 EA#22-153-01743-WIP1 AND 22-153-01743-WIP2; SEE INDIVIDUAL SIGN OFF BELOW;[06] REPAIRED FLOOR BEAM UPPER CHORD AT BSTA 986.5; BTW RBL 10 AND RBL 50 & WL 208.10 BY EA# 22-153-01743 EA#22-153-01743-WIP1 AND 22-153-01743-WIP2; SEE INDIVIDUAL SIGN OFF BELOW<BR>RII

More about the Boeing 737-7H4