SDR ASAA2015040711334

Service difficulty report · Floor Support · Boeing 737990

Difficulty date: April 7, 2015
Submitted: April 15, 2015
Operation: Air carrier
Aircraft: N323AS
Make and model: Boeing 737990
Aircraft serial: 30021
Aircraft time: 40,910 hours, 15,722 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 147A5676U13
Condition: Corroded
Location: Bs 947-967
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

MAIN CABIN FLOOR SUPPORT CORRODED AT STA 952.5, LBL 16. ACFT GROUNDED. REMOVED CORROSION IAW SRM 51-10-02, FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51, DETAIL "C". ORIGINAL THICKNESS .075", REMAINING THICKNESS .060", REMOVED .015". R & R FLOOR SUPPORT IAW SRM 51-40-02 AND DWG 147A5650.