As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU INOP(<P>DEFER MEL 49-11-01B, MDDR 143512, CAT B, 10MAR21. PLAC INSTALLED.</P><P>LP 1273725: T/S IAW WITH FIM 49-11-993 AND WDM 49-14-11. FOUND PUSHED BACK PIN #2 AT J4 ON IGNITOR BOX. OPS CK C/W 49-00-00. THIS CLEARS MDDR 143512. PLAC REMOVED.</P>)