Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
October 19, 2024
Submitted
November 25, 2024
Operation
Air carrier
Aircraft
N8509U
Make and model
Boeing 7378H4
Aircraft serial
36925
Aircraft time
26,850 hours, 13,267 cycles
Part
Floorbeam
Condition
Corroded
Location
Zn 200 Fus Top
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

.PASSENGER AREA STA 947;LBL16 FLOOR BEAM TOP CAP HAS CORROSION..<[01] CORROSION FOUND OUT OF LIMITS PER SRM 53-70-15-1A-1. REMOVED DAMAGED SECTION OF FLOOR BEAM TOP CAP PER SRM 53-70-51-2R-5;[02] FLAP PEENED THE CUT EDGES PER SRM 53-70-51-2R-5 LOCATED; DRILLED; DEBURED; TREATED AND PRIMED REPAIR PARTS; T-CHORD [1]; 2EA REPAIR ANGLES [2] AND 2EA REPAIR STRAPS [3]. ALL WORK DONE IAW SRM 53-70-51-2R-5.FABRICATED 3EA [4] FILLERS PER SRM 53-70-51-2R-5 AND TTG8Q00WV4YT<BR><BR>OK TO INSTALL.;[08] 7. TROY ROSSMAN (TECHNICIAN); 06-NOV-2024 16:25 UTC<BR>FABRICATED 3EA [4] FILLERS PER SRM 53-70-51-2R-5 AND TTG8Q00WV4YT TRIMMED FWD EDGE OF INTERCOSTAL AT STA. 947.5; LBL 24. FLAP PEENED TRIMMED EDGE; ALODINED AND PRIMED TRIMMED EDGE ALL IAW SRM 53-70-51-2R-5 REPAIR 5 INSTALLED FLOOR BEAM REPAIR SPLICE PER SRM 53-70-51-2R-5.;[12] 11. TROY ROSSMAN (TECHNICIAN); 08-NOV-2024 15:39 UTC<BR>INSTALLED FLOOR BEAM REPAIR SPLICE PER SRM 53-70-51-2R-5. RII;[13] INSTALLED REPAIR T- CAP PER SRM 53-70-51-2R-5.;[14] INSPECTED INSTALLATION OF REPAIR T- CAP PER SRM 53-70-51-2R-5. RII;[15] INSPECTED INSTALLED CABLE GUARD SUPPORT CLIP AT BS 947; LBL 3;[16] INSPECTED INSTALLED 2 ANGLE CLIPS AND SPACER TO COMPLETE INSTALLATION OF INTER COASTAL AT B/S 947-967 LBL-24.;[17] REPAIRED PER SRM 53-70-51-2R-5;[18] ALL INSP STEPS COMPLETE. SEE ABOVE CA FOR WORKED PERFORMED AND SIGNED FOR.;[19] ALL INSP RII STEPS COMPLETE. SEE ABOVE CA FOR WORKED PERFORMED AND SIGNED FOR

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