Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
May 17, 2023
Submitted
June 20, 2023
Operation
Air carrier
Aircraft
N223WN
Make and model
Boeing 7377H4
Aircraft serial
32492
Aircraft time
58,632 hours, 35,032 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 FLOOR STRUCTURE CROSSBEAM STA 986.5 RBL 43 AT AFT GALLEY AREA 2023-334240<[01] TOOL USED: ULTRASONIC EQUIPMENT; P/N: 45 MG; S/N: 130063701; DUE DATE: 16-JUN-23.;[02] ACCOMPLISH A PERMANENT REPAIR LOCATED FLOOR BEAM BS 986.5 RBL 43 AT AFT GALLEY AREA. IAW EA M-21-153-00612.;[03] CORRECTED STEP 2.<BR>ACCOMPLISH A PERMANENT REPAIR LOCATED FLOOR BEAM BS 986.5 RBL 43 AT AFT GALLEY AREA. IAW EA M-21-153-00612. ?SEE INDIVIDUAL SIGNOFFS BELOW.;[04] CORRECTED STEP 2 & 3.<BR>ACCOMPLISHED A PERMANENT REPAIR LOCATED FLOOR BEAM BS 986.5 RBL 43 AT AFT GALLEY AREA. IAW EA M-21-153-00612. ?SEE INDIVIDUAL SIGNOFFS BELOW?.;[05] CERTIFIED WORK PERFORMED.<BR>SEE INDIVIDUAL SIGN-OFFS BELOW.

More about the Boeing 737-7H4