As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: NOSE LANDING GEAR SHOCK ABSORBER AMBER WARNING APPEARED. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHL WHERE IT LANDED SAFELY AND TAXIED TO THE GATE UNDER IT'S OWN POWER. POST FLIGHT SHOWED NOSE LANDING GEAR SHOCK OBSORBER 2526GM FAULT, ACCOMPLISHED TSM 32-31-00-810-868-A AND FOUND DEBRIS ON PROXIMITY SWITCH SENSORS 24GA AND 25GA. CLEANED SENSORS AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 32-31-00-720-003-A.