SDR ASAA2016032116289

Service difficulty report · Angle · Boeing 737990

Difficulty date: March 21, 2016
Submitted: April 11, 2016
Operation: Air carrier
Aircraft: N320AS
Make and model: Boeing 737990
Aircraft serial: 33680
Aircraft time: 45,793 hours, 17,529 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
Part number: 146A812553
Condition: Corroded
Location: Bs 767-787
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, DOOR SURROUND LOWER SILL WEB ANGLE, BS 767-BS 787 IS CORRODED. ACFT GROUNDED. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-60-15-1A-1, ORIGINAL MATERIAL THICKNESS IS 0.050 IN, REMOVED 0.007 IN, REMAINING THICKNESS IS 0.043". REPLACEMENT OF NEST HIGHER ASSY, WEB ASSY 146A8123.20 ACCOMPLISHED ON CARD G6664380.