Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
August 2, 2024
Submitted
August 28, 2024
Operation
Air carrier
Aircraft
N8698B
Make and model
Boeing 7378H4
Aircraft serial
36977
Aircraft time
26,776 hours, 13,241 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

FWD PASSENGER COMPARTMENT FLOOR STRUCTURE WET AREA; FLOOR BEAM UPPER SURFACE HAS CORROSION AT FLOOR PANEL ATTACH HOLE STA. 328 RBL 39.<[01] REMOVED CORROSION. ORIG THICKNESS OF 0.130IN; REMOVED 0.052IN; REMAINING 0.078IN. FOUND TO BE OUT OF LIMITS PER SRM 53-10-51-1A-1.;[02] TREATED AND PRIMED PER SRM 51-20-01.;[03] C/W INSPECTION AS REQUIRED C/A # 1. MICHAEL PETERSON (TECHNICIAN); 03-AUG-2024 16:29 UTC<BR>REMOVED CORROSION. ORIG THICKNESS OF 0.130IN; REMOVED 0.052IN; REMAINING 0.078IN. FOUND TO BE OUT OF LIMITS PER SRM 53-10-51-1A-1.;[04] COMPLIED WITH EA 24-153-02151 SEE WIP 1; WIP 2 AND SUMMARY FOR ALL STEPS;[05] INSPECTED AS REQUIRED. CORRECTIVE ACTION #4

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