N374JB

Part: SMOKE DETECTOR — FAILED · airframe 19,374 hrs · 13,471 cycles

FLT 823, EMERGENCY DECLARED. DIVERTED. RECIRCULATION SMOKE IN FLIGHT EICAS SMOKE DETECTION FAILED ON LANDING. INSPECTED AND FOUND NO EVIDENCE OF SMOKE IN CABIN, CARGO OR AVIONICS COMPARTMENT. ON LANDING EICAS MESSAGE WAS REMOVED AND REPLACED BY RECIRC SMOKE DETECTION FAIL MESSAGE. RECIRC SYSTEM SMOKE DETECTOR PLACED ON MEL . R & R SMK DET IWA 26-16 OPS CK OK MX4 UPDATED PLACARD REMOVED MEL CLEARED

Part: SKIN — CRACKED (LT WING) · airframe 18,865 hrs · 13,119 cycles

DURING HEAVY MAINTENANCE, CRACK WAS DISCOVERED ON TRAILING EDGE LOCATED ON LOWER SKIN BTW RIB 9 AND RIB 10 ON LH WING; ACCOMPLISHED REPAIR OF CRACK DAMAGES FOUND ON THE LH WING REAR SPAR LOWER SKIN BTW RIB 10-11 IN ACCORDANCE WITH AERROMAN EA 57-5081-19 COVER REV 0 , PART 1-3. ALL WORK PERFORMED ON ARM W/O2019 241 N/R 2019-416119. JETBLUE EC E20-039-01 ACCOMPLISHED. THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR.

Part: FLOOR SUPPORT — CORRODED (FRAMES 86-87) · airframe 18,865 hrs · 13,119 cycles

DURING HEAVY MAINTENANCE, AEROMAN REPORTED CORROSION SPOTS FOUND ON THE FLOOR BEAM (P/N 170-65669-004) BETWEEN FR86-87. SEE REF /1/ EA FOR DETAILS. AEROMAN EVALUATED DAMAGE AGAINST SRM AND DETERMINED TO BE OUTSIDE OF THE SRM SCOPE. EMRBAER WAS CONTACTED AND PROVIDED REPAIR INSTRUCTIONS PER REF /2/ ETD, WHICH CONSISTS OF CUTTING OUT THE DAMAGED SECTIONS, FABRICATING AND INSTALLING FILLERS, REPAIR DOUBLER AND REINFORCEMENT ANGLES IN ACCORDANCE WITH REF /4/ SRM REPAIR PRINCIPLES.THIS EC E20-041-01 ACCOMPLISHES THE TEMPORARY REPAIR PER THE REF /1/ EA AND COMPLIES WITH REF /2/ ETD WITHOUT DEVIATION; THIS PERMANENT REPAIR HAS BEEN APPROVED VIA REF /2/ ETD & REF /3/ ANAC FORM AND IS CLASSIFIED AS MAJOR.

Part: CROSSBEAM — CORRODED (FRAME 17) · airframe 18,865 hrs · 13,119 cycles

DURING HEAVY MAINTENANCE, CORROSION FLOOR STRUCTURE CROSS BEAM LOCATED FRAME 17RH SIDE AT FWD GALLEY AREA; ACCOMPLISHED REPAIR OF CORROSION DAMAGE FOUND ON THE FLOOR CROSSBEAM (P/N 170-21769-403) FR 17RH AT THE FWD FUSELAGE IN ACCORDANCE WITH AEROMAN E/A 53-0018-20 COVER PART 7 THRU 38 EMBRAER STD 2020-190-000316 REV B. WORK PERFORMED ON ARM W/O 2019 241/1 N/R 2019-416317. THIS IS CLASSIFIED AS A MAJOR REPAIR.

Part: SEAL REST — CORRODED (FRAMES 78-79) · corrosion level 2 · airframe 11,715 hrs · 7,977 cycles

DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON THE AFT CARGO DOOR CUT OUT LOWER MIDDLE SEAL REST, BETWEEN FRAMES 78 AND 79. THE SEAL REST WAS REPLACED IAW SRM 51-41-01, REV 35.

Part: ACM — SEIZED (LEFT) · airframe 5,750 hrs · 3,766 cycles

PACK FAIL AND SMOKE IN COCKPIT. R & R LT ACM IAW AMM 21-51-05. OPS CHECK GOOD, NO LEAKS FOUND.

Part: UNKNOWN — ODOR (CABIN/COCKPIT) · airframe 5,707 hrs · 3,730 cycles

DURING DECENT STRONG ODOR IN COCKPIT. COCKPIT AND CABIN TO ROW 3 AFFECTED. CHECKED FWD AND AFT LAV FOR SMOKE, NO SMOKE FOUND. TROUBLESHOT IAW FIM 21-20-00-810-801 NO EVIDENCE OR SMOKE IN CABIN OR COCKPIT. PERFORMED OPS CHECK OF RECIRCULATION FANS IAW AMM 21-24-00. OPS NORMAL.

Part: FINGER DOUBLER — CORRODED (FRAMES 27-28) · corrosion level 2 · airframe 5,692 hrs · 3,720 cycles

DURING HEAVY MAINTENANCE CHECK, FOUND FORWARD CARGO DOOR AFT FINGER PLATE HAS CORROSION. REMOVED CORROSION IAW SRM 51-10-03, TYPE D BLEND OUT. MATERIAL LOSS IS 0.002". NDT VERIFIED CORROSION REMOVED REF. NTM 51-00-00-916-803-A TREATED; PRIMED AND PAINTED REF SRM 51-23-04, 51-23-05, AND 51-23-06.

Part: FINGER DOUBLER — CORRODED (FRAMES 24-25) · corrosion level 2 · airframe 5,692 hrs · 3,720 cycles

DURING HEAVY MAINTENANCE CHECK, FOUND FWD CARGO DOOR FWD FINGER PLATE HAS CORROSION. REMOVED CORROSION, IAW SRM 51-10-03, TYPE D BLEND-OUT. MAX MATERIAL REMOVED IS 0.002". NDT VERIFIED CORROSION REMOVAL REF NDI MANUAL 51-00-00-916-803-A. TREATED; PRIMED AND PAINTED REF SRM 51-23-04, 51-23-05, AND 51-23-06.

Part: BEAM — CORRODED · airframe 5,692 hrs · 3,720 cycles

DURING HEAVY MAINTENANCE CHECK, FOUND FWD CARGO LOWER BEAM HAS CORROSION. ACCOMPLISHED DETAILED VISUAL INSPECTION OF THE SURROUNDING AND UNDERLYING STRUCTURE. BLENDED, REWORKED, CORROSION DAMAGE AND HFEC PERFORMED. APPLIED SURFACE PROTECTION TO REWORKED AREA. ALL WORK ACCOMPLISHED IAW EA E15-508-01.

Part: FINGER DOUBLER — CORRODED · airframe 5,692 hrs · 3,720 cycles

ON HEAVY MAINTENANCE CHECK, FOUND AFT CARGO DOORWAY FWD END FINGER DOUBLER HAS CORROSION. BLENDED, REWORKED, CORROSION DAMAGE AND HFEC PERFORMED. REPLACED AFFECTED FASTENERS. APPLIED SURFACE PROTECTION TO REWORKED AREA. ALL WORK ACCOMPLISHED IAW EA E15-509-01.

Part: BEAM — CORRODED (FRAMES 77-78) · corrosion level 2 · airframe 5,692 hrs · 3,720 cycles

DURING HEAVY MAINTENANCE CHECK FOUND FWD CARGO LOWER BEAM FR 77-78 HAS CORROSION. REMOVED RIVET, PERFORMED HFEC INSPECTION OF BLENDOUT. INSTALLED FASTENER. APPLIED ALODINE, PRIMER AND TOPCOAT. ALL WORK ACCOMPLISHED IAW EA E15-511-01.

Part: CONTROLLER — FAILED (TORQUE MOTOR) · airframe 4,718 hrs · 3,103 cycles

AT FL 270, NR 1 BLEED FAIL EICAS MESSAGE WITH AMBER X OVER NR 1 BLEED THIS OCCURRED AFTER ENTERING ICE CONDITION WITH EQUIPMENT ON. NR 1 BLEED WAS RESET, BLEED NR 1 FAILED MSG REMAINED. AMBER X OVER THE VALVE CLEARED AND BLEED PRESSURE RETURNED TO 40 PSI. CABIN PRESSURE WAS REGAINED AND EXITED ICING CONDITION. BLEED PRESSURE WAS FLUXUATING FROM 45-12 PSI FROM THE NR 1 BLEED IS INOPERATIVE AND ON MEL. APU BLEED WAS USED AT 15,000 FT AS A BACK UP. R & R NR 1 ENGINE TORQUE MOTOR CONTROLLER IAW 36-11-06. PERFORMED BLEED SYSTEM NR 1 AND NR 2 FUNCTIONAL TEST WITH HIGH POWER RUN IAW AMM 36-00-00. ALL PRESSURES, TEMPERATURE STABLE FOR SYS 1 AND 2. BLEED NR 2 WAS ALSO CORRECTED BY REPLACING THE HIGH PRESSURE VALVE.

Part: BLEED AIR SYS — UNKNOWN (NR 2) · airframe 4,329 hrs · 2,878 cycles

AIRCRAFT DIVERTED DUE TO BLEED 2 PRESSURE FLUCTUATED RAPIDLY BETWEEN 9-70 PSI AT CLIMB AND CRUISE, THRUST SETTINGS RESET UNSUCCESSFUL. T/S SYS IAW FIM 36-14-00, CHECK TORQUE MOTOR SERVO LINES FOR LEAKS NO FAULT FOUND. R & R NR 2 ENG TORQUE CONTROL MOTOR 36-11-06. PERFORMED OPS CHECK OF ENG NR 1 & NR 2 BLEED. TEST OK NO DEFECTS/FLUCTUATION NOTED DURING RUNS REF AMM 36-11-00. ACFT OK FOR CONTINUED SERVICE.