What was found
DURING SYSTEMS CHECKS, THE #2 AUTOFEATHER TESTS FAILED. REMOVED FROM SERVICE. INTERROGATED CDS FOUND FAULT CODE 402B #2 PROP. C/W FIM REF : 61-20-09-810-812. REMOVED AND REPLACED PEC FOR #2 ENGINE REF: AMM TASK 61-20-36-000-801, 61-20-36-400-801 PARA 1-5,A AND CMC 671290-001 FOR HEAT SHRINK PROCEDURES. C/W REMAINDER OF STEPS FOR #2 PEC INSTALLATION IAW AMM TASK 61-20-36-400-801 AND REF MTC #6710006 FOR WORK PERFORMED. AUTOFEATHER #2 TESTS GOOD. FAULT CODES DID NOT RE-OCCUR. AIRCRAFT RETURNED TO SERVICE.