Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
May 1, 2023
Submitted
June 13, 2023
Operation
Air carrier
Aircraft
N222WN
Make and model
Boeing 7377H4
Aircraft serial
34290
Aircraft time
58,122 hours, 34,829 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 BEAM STA 294.5 AT RBL 7.5 WL 208.1 HAS CORROSION AROUND FASTENER HOLE AS MARKED. 124-008<[01] STARTED REMOVING FASTENERS. REF. SRM. 51-40-02;[02] ACCOMPLISHED FLOOR BEAM UPPER CHORD REPAIR AT STA 294.5 AND BETWEEN LBL22 TO RBL24 IN REF B737-700 SRM 53-10-51-2R-16.;[03] RII...VERIFIED STEP 2; FLOOR BEAM UPPER CHORD REPAIR.

More about the Boeing 737-7H4