As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING LL1 FOUND #1 ENGINE MISSING 8 O'CLOCK POSITION FAN DUCT PANEL. USED ALT. DEACTIVATION REF. CHAPTER 5-07-01 TABLE 3 ITEMS 3&4. GROUNDED - YES. INSTALLED NEW #1 ENGINE FAN DUCT PANEL 8 O'CLOCK POSITION REF B737-800 AMM 72-23-07. ACCOMPLISHED CONDITIONAL INSP. OF AREA FOR DAMAGE AND NO DEFECTS NOTED. NO EVIDENCE THAT THE PANEL DEPARTED THE AIRCRAFT. REF B737-800 AMM 05-51-59.