SDR ASAA2016010914787

Service difficulty report · Floor Panel · Boeing 737890

Difficulty date: January 9, 2016
Submitted: January 20, 2016
Operation: Air carrier
Aircraft: N558AS
Make and model: Boeing 737890
Aircraft serial: 35177
Aircraft time: 36,822 hours, 10,797 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Part number: 453A1610
Condition: Cracked
Location: Fwd Cargo
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

FWD CARGO FLOOR PANEL 120CF CRACKED AND CORRODED IN SEVERAL AREAS. ACFT GROUNDED. AFTER FURTHER INVESTIGATION, CORROSION EXCEEDS ALLOWABLE LIMITS OF 3" CRACKS NOT ALLOWABLE REPAIRS OUT OF LIMITS IAW SRM 53-00-53, MATERIAL ID FOR NEW PANEL 2024-T3 0.071 IAW DWG 453A1610, REV A, FABRICATED PANEL IAW DWG 453A1610, REV A. ALODINED IAW SRM 57-20-01. PRIMED PANEL IAW SOPM 20-41-05. PART MARKED PANEL IAW B DWG 453A1610, REV A. REMOVED DOT .