SDR ASAA2024071551464

Service difficulty report · Floor Support · Boeing 737890

Difficulty date: July 15, 2024
Submitted: August 1, 2024
Operation: Air carrier
Aircraft: N597AS
Make and model: Boeing 737890
Aircraft serial: 35689
Aircraft time: 58,329 hours, 17,565 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 147A56765
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

CABIN AFT WET AREA APPROX. STA. 952,LBL 24-48 LATERAL FLOOR SUPPORT CORRODED AROUND FASTENER HOLES AS MARKED. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02, 100% MAT LOSS OUT OF LIMITS IAW B737-800 SRM 53-70-51, NO ORIG THICKNESS NOTED, NO LIMITS NOTED, REMOVED AND REPLACED FLOOR SUPPORT IAW B737-800 SRM 51-40-02 AND IAW BAC DWG 147A5650 REV:C.