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SDR ASAA2016032116284

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Service difficulty report · Shield · Boeing 737990

FAA SDR system

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)
5310 · Fuselage Main, Structure
Part
Shield
Part number
146A812712
Condition
Corroded
Location
Bs 767-794
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, FWD DOOR SURROUND SHIELD, BS 767-BS 794 IS CORRODED. ACFT GROUNDED. REMOVED CORROSION FROM AFT CARGO FWD DOOR SURROUND SHIELD AT BS 737-BS 794, ORIGINAL THICKNESS .050 IAW SRM 53-60-15-01-1. REMAINING THICKNESS 0.043 MATERIAL LOSS .007, FOUND BEYOND LIMITS IAW SRM 53-60-15. LOCATED, DRILLED, COUNTERSINKED AND DEBURRED NEW SHIELD IAW SRM 51-40-02. REMOVED AND INSTALLED NEW SHIELD IAW SRM 51-40-02 AND DWG 146A0081.