Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
November 29, 2021
Submitted
January 11, 2022
Operation
Air carrier
Aircraft
N8621A
Make and model
Boeing 7378H4
Aircraft serial
36917
Aircraft time
27,526 hours, 12,424 cycles
Part
Floorbeam
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; RBL 49.5. ; / [01] CORROSION DAMAGE ON CABIN FLOOR BEAM AT STA. 947.5; RBL 49.5' IS OUT OF LIMITS PER SRM 53-70-51-1A-1.; [02] VERIFIED CORROSION DAMAGE ON CABIN FLOOR BEAM AT STA. 947.5; RBL 49.5' IS OUT OF LIMITS PER SRM 53-70-51-1A-1.;[12] REPAIRED UPPER CHORD ON CABIN FLOOR BEAM AT STA. 947.5 FROM RBL 59' TO LBL 59' PER SRM 53-70-51-2R-5; ALTERNATIVE 1 AND EA 21-153-03565; WIP 1-3. SEE PREVIOUS CORRECTIVE ACTIONS FOR INDIVIDUAL WORK ACCOMPLISHED.

More about the Boeing 737-8H4