Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
October 8, 2024
Submitted
October 29, 2024
Operation
Air carrier
Aircraft
N8513F
Make and model
Boeing 7378H4
Aircraft serial
36976
Aircraft time
26,605 hours, 13,201 cycles
Part
Floorbeam
Condition
Corroded
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

CORROSION ON FLOOR BEAM AT BS 947 LBL 26 AND LBL 50 WL 208.<[01] EVALUATED CORROSION ON BS947 FLOOR BEAM LBL 26 AND LBL 50 WL 208 LOWEST REMAINING THICKNESS IS 0.145' ON LBL50 DAMAGE EXCEED LIMITS GIVEN ON SRM SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1 PAR.4.D (2)(A) FIGURE 104 /ALLOWABLE DAMAGE 1 DETAIL C THEREFORE DAMAGE TO BE REPAIRED PER SRM 53-70-51-2R-5 REPAIR 5 ALTERNATIVE 1 DUE TO DAMAGE FOUND ON CCN TTG8Q00WATYP AND ALSO FOUND TO BE OUT LIMITS ALL REPAIR PROCESS TO BE RECORD ON CCN TTG8Q00WATYP <BR>TOOL USED <BR>ATS2472<BR>DUE 12/2024;[02] VERIFIED CORRECTION ACTION ITEM 1; MEASUREMENT FIELD CARD COMPLETE CARD COMPLETE

More about the Boeing 737-8H4