Service difficulty report · None · Boeing 7378H4

Difficulty date
November 29, 2021
Submitted
January 5, 2022
Operation
Air carrier
Aircraft
N8621A
Make and model
Boeing 7378H4
Aircraft serial
36917
Aircraft time
27,526 hours, 12,424 cycles
Part
None
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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

FLOOR BEAM HAS CORROSION B.S. 947.5; LBL 23. ; / [01] CORROSION DAMAGE ON CABIN FLOOR BEAM FROM STA. 947.5; LBL 23' IS OUT OF LIMITS PER SRM 53-70-51-1A-1.; [02] VERIFIED CORROSION DAMAGE ON CABIN FLOOR BEAM FROM STA. 947.5; LBL 23' IS OUT OF LIMITS PER SRM 53-70-51-1A-1.; [03] UPPER CHORD OF STA. 947.5 FLOOR BEAM AT LBL 23 REPAIRED SRM 53-70-51-2R-5. SEE FAULT TTG8Q009K4DJ FOR ALL REPAIR ACTIONS ACCOMPLISHED.; [04] UPPER CHORD OF STA. 947.5 FLOOR BEAM AT LBL 23 TO BE REPAIRED PER SRM 53-70-51-2R-5 ON FAULT TTG8Q009K4DJ.; [05] VERIFIED UPPER CHORD OF STA. 947.5 FLOOR BEAM AT LBL 23 TO BE REPAIRED PER SRM 53-70-51-2R-5 ON FAULT TTG8Q009K4DJ.; [06] VERIFED UPPER CHORD OF STA. 947.5 FLOOR BEAM AT LBL 23 TO BE REPAIRED PER SRM 53-70-51-2R-5 ON FAULT TTG8Q009K4DJ.

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