OMPONENTS - CADMIUM STRIP REQUIRED. SERVICE LETTER INFORMATIONAL MOS 24-JAN-2002 - (s) St 737-SL-32-113 MAIN GEAR EXTENSION PROBLEMS CAUSED BY DOWNLOCK ACTUATOR MANUFACTURING DISCREPANCY. SERVICE INFORMATIONAL LETTER MOS 09-APR-2002 - (s) St 737-SL-32-113 REV. A MAIN GEAR EXTENTION PROBLEMS CAUSED BY DOWNLOCK ACUTATOR MANUFACT