Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
November 21, 2024
Submitted
December 16, 2024
Operation
Air carrier
Aircraft
N277WN
Make and model
Boeing 7377H4
Aircraft serial
32531
Aircraft time
57,239 hours, 34,524 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 BEAM ASSY LOWER PANEL MIDSPAN FIXED T.E. ORSS 452; 455; 459; 466.5; 471.5; 473.5; 475.5; 477.5 (MARKED)<[01] REMOVED AND REPLACED BEAM ASSY LOWER PANEL MIDSPAN FIXED T.E. IAW SRM 51-40-02-0G-0 STEP 7;[02] VERIFIED COMPLETION CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

More about the Boeing 737-7H4