What was found
DURING TAKE OFF ENG 2 N2 OVERLIMIT 117.0% DURING 5 SECONDS. DUE TO PFR MESSAGES AND FOLLOWING TSM 73-21-00-810-B46-A REV 77 DATED 01/MAY/2026: THE OPERATIONAL TEST OF THE FADEC ON EEC CHANNEL B WAS PERFORMED IAW AMM 73-29-00-710-802-A REV 77 DATED 01/MAY/2026, 0364-T25 SNSR DISAGREE IT HAD THE CONFIRMATION OF THE FAULT. A VISUAL INSPECTION OF THE CONNECTOR, RECEPTACLE, AND HARNESS EEC B (4601KS2) FOR CORRECT ENGAGEMENT, BENT PINS, CONTAMINATION, CORROSION, OR OBVIOUS SIGNS OF PHYSICAL FINDINGS WAS PERFORMED, AND IT WAS FOUND IN GOOD CONDITION. ON THE EEC B ELECTRICAL HARNESS CONNECTOR P5B, A CHECK OF THE RESISTANCE AND INSULATION BETWEEN THE PINS THAT FOLLOW: - PINS 68 AND 69 (BETWEEN 65 OHMS AND 278 OHMS) - PIN 68 AND THE GROUND (MORE THAN 10 MOHMS) - PIN 69 AND THE GROUND (MORE THAN 10 MOHMS). AND THE MEASURES WERE FOUND LOWER THAN REQUIRED. A VISUAL INSPECTION OF THE CONNECTOR, RECEPTACLE, AND HARNESS T25 SENSOR (4083KS) AND P511B FOR CORRECT ENGAGEMENT, BENT PINS, CONTAMINATION, CORROSION, OR OBVIOUS SIGNS OF PHYSICAL FINDINGS WAS PERFORMED, AND IT WAS FOUND IN GOOD CONDITION. THE T25 SENSOR RECEPTACLE CONNECTOR P511B, DO A CHECK OF THE RESISTANCE AND INSULATION BETWEEN THE PINS THAT FOLLOW: - PINS 1 AND 2 (BETWEEN 65 OHMS AND 278 OHMS) - PIN 1 AND THE GROUND (MORE THAN 10 MOHMS) - PIN 2 AND THE GROUND (MORE THAN 10 MOHMS) THE RESISTANCE AND/OR INSULATION VALUE ARE OUT OF THE SPECIFIED LIMITS, THE MEASURES WERE FOUND LOWER THAN REQUIRED. IAW AMM 72-00-00-200-818-A RV.77, BSI OF THE HPC THROUGH PORT C (STAGE 1 BLISK LEADING EDGE (LE)), PORT G (STAGE 3 TRAILING EDGE (TE) AND STAGE 4 LE) AND PORT L (STAGE 8 TE AND STAGE 9 LE) WAS PERFORMED IAW 72-30-00-290-801-A RV.77 01-MAY-2026 -BSI OF THE HPT 1&2 WAS PERFORMED 72-52-00-290-803-A RV.77 01-MAY-2026 -RESULTS: NO SIGNIFICANT DAMAGES WERE FOUND, NORMAL DETERIORATION. -NOTE: PENDING TO DO IDLE CHECK FOR LEAKS DUE TO REMOVAL/INSTALLATION MANUAL-CONTROL COVER OF THE AGB, DUE TO RESISTANCE AND/OR INSULATION VALUE IS OUT OF THE SPECIFIED LIMIT: REPLACE SENSOR-T25, ENG (4083KS) REF. AMM 73-21-20-000-802 AND REF. AMM 73-21-20-400-802. DO THE FADEC TEST (MENU MODE) IAW AMM 73-29-00-710-802. THE FADEC TEST (MENU MODE) WAS PERFORMED SATISFACTORILY IAW AMM TASK 73-29-00-710-802-A AND POWER ASSRANCE CHECK WAS PERFORMED SATISFACTORILY, NOT REPLY FAULT IAW AMM TASK 71-00-00710-008-B REV 77.