(cont.)..."An unverified tech log item for that flight, sent to ASN and the BBC, remarked "Airspeed unreliable and alt disagree shown after take off.[...] Identified that CAPT instrument was unreliable and handover control to FO." While this particular purported tech log note is unconfirmed, Lion Air did confirm that the aircraft had a "technical problem" on the previous flight, "which had been resolved according to procedure,” according to the airline."