Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
January 24, 2024
Submitted
February 26, 2024
Operation
Air carrier
Aircraft
N8603F
Make and model
Boeing 7378H4
Aircraft serial
38875
Aircraft time
39,482 hours, 18,290 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Bs 947 Lbl 24
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 BEAM UPPER FLANGE AT BS947.5 AND LBL 24 AT AFT GALLEY AREA 2024-69074. VERIFIED LOCATION. CORROSION FLOOR STRUCTURE BEAM UPPER FLANGE AT BS947.5 AND LBL 24 AND WL 208.1 AT AFT GALLEY AREA<[01] TOOL USED ON STEP 9; RADIOMETER/PHOTOMETER KIT PN: XRP-3000; SN: 1753759; DUE DATE: 12-APR-24;[02] TOOL USED: DIGITAL CALIPER P/N: 500-197-30; S/N: A23272235; DUE DATE: 03-JAN-25;[03] TOOL USED MICROMETER P/N:293-344-30; S/N:77041146; DUE DATE: 22-JAN-25;[04] TOOL USED SCALE P/N CL5000; S/N AE-39087; DUE DATE: 15-AUG-24.;[05] REPAIRED FLOOR BEAM UPPER CHORD AT BS947.5 AND BETWEEN LBL 15 TO LBL 60 AFT GALLEY AREA IAW SRM B737-800 53-70-51-2R-5 REPAIR 5; EA # 24-153-00346-WIP1 [TTG8Q00RJ8GQ] AND EA# 24-153-00346 [TTG8Q00RQHNJ] SEE INDIVUAL SIGN OFF BELOW;[06] CORRECTED STEP 5. REPAIRED FLOOR BEAM UPPER CHORD AT BS947.5 AND BETWEEN LBL 7 TO LBL 60 AFT GALLEY AREA IAW SRM B737-800 53-70-51-2R-5 REPAIR 5; EA # 24-153-00346-WIP1 [TTG8Q00RJ8GQ] AND EA# 24-153-00346 [TTG8Q00RQHNJ] SEE INDIVUAL SIGN OFF BELOW;[07] REPAIRED FLOOR BEAM UPPER CHORD AT BS947.5 AND BETWEEN LBL 7 TO LBL 60 AFT GALLEY AREA IAW SRM B737-800 53-70-51-2R-5 REPAIR 5; EA # 24-153-00346-WIP1 [TTG8Q00RJ8GQ] AND EA# 24-153-00346 [TTG8Q00RQHNJ] SEE INDIVUAL SIGN OFF BELOW<BR>RII

More about the Boeing 737-8H4