What was found
DURING HEAVY MAINTENANCE: AFTER REMOVE BEARING, CORROSION FOUND IN FITTING N5 AT VERTICAL STABIL IZER. REMOVED AND REPLACED FITTING # 5 AT VERTICAL STABILIZER IAW A321 NEO SRM 51-72-11, SRM A321 NEO 55-36-42-300-008 AND D553721041 WOTK BY 8632812 RII AE370QC .