Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date
June 5, 2024
Submitted
July 11, 2024
Operation
Air carrier
Aircraft
N7737E
Make and model
Boeing 7377BD
Aircraft serial
33929
Aircraft time
56,031 hours, 28,842 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
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 ON FLOOR BEAM BS 986 BL0-RBL 43 AND LBL 43 WL 208.<[01] REMOVED AND REPAIRED DAMAGE UPPER FLANGES OF THE BS986 T-CHORD LBL50-RBL50 I.A.W SRM 53-70-51-2R-4 REPAIR 4 ; EA-M-24-153-01563-WIP1 CCN TTG8Q00TV85G AND BOEING DWGS 147A5600;147A0000;147A8501 AND 140A9870;[02] VERIFIED STEPS 3;10;18;19 COMPLETE.;[03] RE OPENED STEP 9;[04] REPAIRED DAMAGE ON FLOOR BEAM BS 986; BL 0 - RBL 43 AND LBL 43; WL 208 PER EA 24-153-01563 AND SRM 53-70-51-2R-4 REPAIR 4.;[05] REPAIRED DAMAGE ON FLOOR BEAM BS 986; BL 0 - RBL 43 AND LBL 43; WL 208 PER EA 24-153-01563 AND SRM 53-70-51-2R-4 REPAIR 4.;[06] VERIFIED ACTION 5.<BR>JOB COMPLETE.

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