Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
February 22, 2021
Submitted
March 17, 2021
Operation
Air carrier
Aircraft
N8612K
Make and model
Boeing 7378H4
Aircraft serial
36973
Aircraft time
27,620 hours, 12,185 cycles
Part
Floor Support
Condition
Corroded
Location
Aft Cabin
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

AFT CABIN WET AREA STA 947; BL51L; WL208; INTERCOSTAL FLOOR SUPPORT UPPER SURFACE; ADJACENT TO 947 FLOOR BEAM; CORROSION. CORROSION FOUND TO BE OUT OF LIMITS PER SRM 5370511A1 (100% MATERIAL LOSS) REMOVED AND REPLACED INTERCOSTAL FLOOR SUPPORT FROM STA. 927 947 LBL 51 IAW SRM 5140020G0 AND DWG# 147A5650 REV PN 147A56903

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