As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK, BLEED 4 ON TAKEOFF AT APPROX 120KTS REPLACED ENG #4 HPSOV IAW. AMM: 36-11-05/401 REV.51 OPS CHECK AND LEAK CHECK SATIS. NO FAULTS. A/C SERVICEABLE. PART BOOKED UNDER BARCODE €ŒT3F18E009A1GA€? FOR TECH ALERT 36007. PN OFF/ON: 6797A010001 SN OFF: 6797-00859 SN ON: 6797-00796 DMP REVERSED. PLACARD REMOVED. DMI 2884849 CLOSED. CONFIRMED ALL TOOLS AND PARTS REMOVED FROM A/C. Q9DY421Y CRN98640877