SDR ASAA2016081717830

Service difficulty report · Floor Support · Boeing 737890

Difficulty date: August 17, 2016
Submitted: August 30, 2016
Operation: Air carrier
Aircraft: N593AS
Make and model: Boeing 737890
Aircraft serial: 35107
Aircraft time: 32,327 hours, 9,908 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146A750123
Condition: Corroded
Location: Fuselage
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 PIT FLOOR SUPPORT, BS 767+4, RBR 13.84 IS CORRODED. ACFT GROUNDED. REMOVED CORROSION ORIGINAL THICKNESS .070, REMOVED .014 REMAINING MATERIAL IS .056 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2, DETAIL-D/F FIG 103 USED UT GAGE T8225V, REPAIRED FLOOR SUPPORT AREA IAW SRM 53-00-53-2R3. PO 815766.1, PO 832120.2, DOT REMOVED.