As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHL DUE TO THE FLIGHT CREW REPORTING A LANDING GEAR SHOCK ABSORBER FAULT AFTER RETRACTION AND GEAR WAS SLOW TO COME UP. THE AIRCRAFT LANDED SAFELY AT PHL WITHOUT FURTHER INCIDENT. MAINTENANCE ACCOMPLISHED TASK CARD 26L71012001 FOR SERVICING NOSE LANDING GEAR STRUT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL TEST PER AMM 32-31-00.