What was found
TOO LOW GEAR AURAL NO FAULT ON AHM, NO EXISTING ON CH34. BITE TEST PSEU AND LGTV ALL PASSED. DEBRIEFED CREW ON ARRIVAL. WARNING GIVEN AT 500FT, FLAPS 30, GEAR INDICATION ALL GREEN. NO DISCREPANCIES PRESENT WHEN MX ENTERED FLIGHT DECK. INTERROGATED PSEU AND EGPWS, NO FAULTS FOUND. AHM SHOWS NO FAULTS. NO 90-DAY HISTORY FOR FAULTS RELATED TO PSEU OR GPWS. ENGINEERING CALLOUT TO CHANGE LANDING GEAR CONTROL LEVER SWITCH. CITED REFERENCES SSM 34-49-11-106, 34-49-00-019, WDM 34-49-11-09, 32-31-15-2, 31-31-15-4. REPLACED LEVER SWITCH AMM 32-31-11. ALL OPS TESTS GOOD.