SDR ASAA2015021210858

Service difficulty report · Floor Support · Boeing 737790

Difficulty date: February 12, 2015
Submitted: March 9, 2015
Operation: Air carrier
Aircraft: N612AS
Make and model: Boeing 737790
Aircraft serial: 30162
Aircraft time: 51,994 hours, 23,752 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146A7501
Condition: Corroded
Location: Bs 777-887
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 PIT, RBL 13.84 FLOOR SUPPORT IS CORRODED, STA 807-STA 847. ACFT GROUNDED. REMOVED AND REINSTALLED AFT CARGO FLOOR PANEL 140CF IAW AMM 25-52-10. REMOVED CORROSION FROM FLOOR SUPPORT, RBL 13.84, STA 807-847, ORIG MATERIAL = .070, REMOVED = .046, REMAINING = .024 OUT OF LIMITS IAW SRM 53-00-53-1A-2, R & R FLOOR SUPPORT FROM STA 777 TO STA 887 IAW SRM 53-00-53 REPAIR NR 3. DOT REMOVED. PO 815766.1, 825571.8, 833239.1 .