SDR ASAA2015103113748

Service difficulty report · Floor Support · Boeing 737790

Difficulty date: October 31, 2015
Submitted: November 16, 2015
Operation: Air carrier
Aircraft: N615AS
Make and model: Boeing 737790
Aircraft serial: 30344
Aircraft time: 53,277 hours, 24,015 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146A7502
Condition: Corroded
Location: Bs 727-727a
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 CARGO COMPARTMENT FLOOR STRUCTURE AT BS 727 AND BS 727A AND LBL 12.5 HAS CORROSION. MARKED. ACFT GROUNDED. BLEND OUT CORROSION AREA, ORIGINAL MATERIAL THICKNESS .063 IAW DWG 1509-100146, MAT REMOVED .004, MAT REMAINING .059, FOUND TO BE WITHIN LIMITS IAW SRM 53-00-53-1A-2, ALODINE AND PRIMER IAW SRM 51-20-01, DOT V841, REMOVED.