Service difficulty report · Floorbeam · Boeing 7378

Difficulty date
September 8, 2026
Submitted
October 14, 2026
Operation
Air carrier
Aircraft
N8711Q
Make and model
Boeing 7378
Aircraft serial
36979
Aircraft time
22,753 hours, 10,474 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
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

NUTCLIP HOLE ON CABIN FLOORBEAM BS 328, RBL 47.5 WAS CORRODED ON LOWER SURFACE. REMOVED DAMAGE IAW SRM 51-10-02. MATERIAL REMOVED 0.027. MAX MATERIAL REMAINING 0.103. DAMAGE REMOVAL IS OUT OF LIMITS IAW SRM 53-10-51-1A-1, FIG 104, DETAIL C. PERFORMED DVI OF DAMAGE REMOVAL IAW SRM 53-10-51-2R-8. NO DEFECTS NOTED. TREATED AND PRIMED REPAIR AREA AND PARTS IAW SRM 51-20-01, AND SOPM 20-41-02. FABRICATED REPAIR STRAP IAW SRM 53-10-51-2R-8, ALTERNATIVE 1. ACCOMPLISHED REPAIR ON FLOORBEAM BS 328 RBL 35 TO RBL 52 IAW SRM 53-10-51-2R-8, ALTERNATIVE 1.

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