As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN RTE FROM JFK-ATL, WITH R ENG GEN INOP AND ON MCO. APU AUTOSHUTDOWN OCCURRED. CREW ELECTED TO DIVERT TO CLT. CLT MTC REMOVED AND REPLACED APU PER M/M. LK CK GOOD. DURING OPERATIONAL CK APU BLEED DUCT PRESS FLUCTUATES BETWEEN 15 T 22 PSI W/NO LOAD APPLIED. REMOVED AND REPLACED THE APU SURG CONTROL VLV PER MM, OPS CKS GOOD.