As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT CENTER TANK BOOST PUMP CREATES VIBRATION ON RUDDER PEDALS WHEN SELECTED ON. ACFT GROUNDED. REMOVED AND REPLACED LEFT CENTER TANK BOOST PUMP IAW AMM 28-22-41. DISCONNECTED POGO STICK. BUT DID NOT ADJUST AND REINSTALLED POGO STICK IAW AMM 28-22-41-400-801. PERFORMED GOOD OPS CHECK ON LEFT CENTER BOOST PUMP AND LEAK CHECK GOOD IAW AMM 28-22-41-710-801.