What was found
PAE - FLT NR 7820 - DURING ROUTINE SCHEDULED C-9 MAINTENANCE CHECK, WHILE WORKING PASSENGER OXYGEN SYSTEM CHECK, FOUND ELECTRO-PNEUMATIC CONTINUOUS FLOW CONTROL UNIT AND FUNCTIONAL TEST GOOD IAW MM 35-21-21, 35-21-0. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PAE - FLT NR 7820 - DURING ROUTINE SCHEDULED C-9 MAINTENANCE CHECK, WHILE WORKING PASSENGER OXYGEN SYSTEM CHECK, FOUND ELECTRO-PNEUMATIC CONTINUOUS FLOW CONTROL UNIT AND FUNCTIONAL TEST GOOD IAW MM 35-21-21, 35-21-0. (M)