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SDR ASAA2024052050184

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Service difficulty report · Floor Support · Boeing 737890

FAA SDR system

Difficulty date
May 20, 2024
Submitted
June 11, 2024
Operation
Air carrier
Aircraft
N594AS
Make and model
Boeing 737890
Aircraft serial
35191
Aircraft time
57,562 hours, 17,132 cycles
System (JASC)
5320 · Fuselage Miscellaneous Structure
Part
Floor Support
Part number
147A56766
Condition
Corroded
Location
Bs 950
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

950(RH HAND SIDE) INTERCOSTAL / FLOOR SUPPORT HAS CORROSION AT HOLE. GROUNDED - YES. BLENDED CORROSION ORINGINAL THICKNESS, FROM PART, .080, MAT LOSS .018, NEW THICKNESS .062 THERE ARE NO SRM ALLOWABLE LIMITS , REMOVED DAMAGE SUPPORT AND INSTALLED P# 147A5676-6 PO# 1092248.1 PER B737-800 SRM 51-40-02 PER AIPC 53-52-51 AND DWG 147A5650.