As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLE WILL NOT ENGAGE. ACFT GROUNDED. REMOVED ASM NR 1 REF 22-31-91-020-081. STEP E. INSTALLED NEW ASM NR 1, STEP G. REF 22-31-91-400-801. PERFORMED INSTALL TEST STEP H. REF 22-31-91-400-801. SYS CHECKS NORMAL. ADDITIONALLY PERFORMED AUTOLAND BITE GROUP 49. SYS CKS NORMAL.