N307JB

Part: WINDSHIELD — FAILED (LH-WINDSHIELD) · airframe 34,710 hrs · 22,550 cycles

FLT#185, ROC-JFK. (AIRCRAFT DECLARED AN EMERGENCY AND PERFORMED AN AIR TURN BACK TO ROC). ' CAPTAIN'S SIDE WINDSCREEN SHATTERED ON CLIMBOUT THROUGH 8000'; REMOVED AND REPLACED CAPTAIN'S WINDSCREEN IAW AMM 56-11-00. OPS CHECK OF WINDOWNHEAT GOOD.'

Part: SLIDE — FAULTED (L1 DOOR) · airframe 33,011 hrs · 21,426 cycles

FLT# 910, ACK-LGA. CANT GET L1 DOOR TO DISARM SIGNIFICANT PRESSURE TRYING TO OPEN DOOR ; R/R L1 SLIDE IAW AMM 25-65-01 REPLACE L1 DOOR ASSIST DIAPHRAGM IAW AMM 52-11-53 OPS CHECK OK L1 DOOR GOOD & LEG CHECK OF DOOR ASIST GOOD AC OK FOR SVC

Part: CABLE — BROKEN (GIRT BAR) · airframe 32,363 hrs · 21,013 cycles

FLT 1593, RIC-TPA. FWD R1 DOOR GIRT BAR GOT STUCK TO A/C WHILE OPENING; DURING INSPECTION OF R1 DOOR FOUND DOOR SLIDE ARMING CABLE BROKEN. R & R FWD SERVICE DOOR EMERGENCY EVACUATION SLIDE MECHANISM CABLE IAW 52-41-40-000-801A

Part: PIN — INSTALLED (R2 EMER OPEN) · airframe 32,194 hrs · 20,932 cycles

FLT # 1068, PBI-HPN. R2 DOOR EMEREGENCY OPENING SYSTEM PIN WAS DISCOVERED INSTALLED. **THE INBOUND FLIGHT CREW NOTIFIED HPN MX OF THE PIN INSTALLED ; REMOVED SAFTEY PIN FROM THE PNUEMATIC ASSEMBLY PER AMM 52-00-23. AIRCRAFT OK FOR SERIVCE.

Part: LINK — CRACKED (NR 2 PYLON) · airframe 30,190 hrs · 19,592 cycles

FT # 2017, BOS-JFK. DURING R/H ENGINE LWR LINK LUG INSPECTION, INBOARD LUG IS CRACKED. REF 190-54-0018-02 TASK CARD. ON 10/30/2019 WHILE COMPLYING WITH THE REF /1/ SB DVI AT JFK, N307JB WAS FOUND WITH ONE CRACK THROUGH (AFT FACE) AT THE #2 PYLON LH LOWER LINK (INBOARD SIDE). THIS EC E19-826-01 IS ISSUED TO ACCOMPLISH THE BLADE PROBE HFEC INSPECTION ON THE #2 PYLON BACK-UP FITTING. SEE BELOW FOR SB AND INSPECTION DETAILS. EMBRAER RECEIVED ONE REPORT ABOUT A CRACK ON THE RIGHT-HAND (RH) INBOARD PYLON LOWER LINK LUG. INVESTIGATION INDICATED THAT THIS FAILURE MAY BE RELATED TO FATIGUE STRENGTH, AND THEREFORE A DEDICATED ACTION TO ENSURE THE STRUCTURES’ INTEGRITY IS REQUIRED. THIS REF /1/ SB PRESENTS A DETAILED INSPECTION (DET) FOR CRACKS ON THE LEFT-HAND (LH) AND RIGHT-HAND (RH) PYLON LOWER LINK LUG. TO DO THIS, IT IS NECESSARY TO GET ACCESS TO THE WORK AREA AT ZONES 419 AND 429, BY REMOVING THE LH/RH PYLON SIDE AND AFT FAIRINGS. FOR AIRCRAFT THAT HAVE REACHED MORE THAN 27,000 FLIGHT HOUR(S), EMBRAER RECOMMENDS THE ACCOMPLISHMENT OF THIS BULLETIN WITHIN THE NEXT 750 FLIGHT HOUR(S) AFTER THE FIRST ISSUE DATE OF THIS BULLETIN OR BEFORE THE AIRCRAFT HAVE REACHED 27,750 FLIGHT HOUR(S), WHICHEVER OCCURS LATER, AND IT MUST BE REPEATED EVERY 750 FLIGHT HOUR(S); SUPPLEMENTAL INFORMATION TO FOLLOW.

Part: POWER UNIT — INOPERATIVE (CABIN) · airframe 28,198 hrs · 18,115 cycles

DURING HEAVY MAINTENANCE, INOP EMERGENCY LIGHT POWER UNIT AFT RT AT AFT GALLEY AREA; REPLACED EMERGENCY LIGHT POWER UNIT (ELPU) AFT RT AT AFT GALLEY AREA IAW AMM 33-50-01-400-801-A. REF NR WO 2019-22/1 WCC 2019-43988. SUPPLEMENTAL INFORMATION TO FOLLOW.

Part: OVERHEAT SENSOR — FAULTED (NR 1) · airframe 20,131 hrs · 12,517 cycles

AIR RETURN BACK TO DEPARTURE. BLEED 1 LEAK DURING FLIGHT; R & R BLEED 1 OVERHEAT DETECTOR SYS, ODS, LOOP 3, A IAW AMM 36-21-02. OPS CHECKS GOOD. OK FOR SERVICE.

Part: SPRING — BENT (GIRT BAR) · airframe 19,017 hrs · 11,781 cycles

UNABLE TO ARM AND DISARM R1 DOOR; FOUND R1 AFT GIRT BAR SPRING PLATE BENT OUT OF POSITION. R & R R1 AFT SPRING PLATE IAW AMM 52-41-40. OPS CHECK GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (BRAKES) · airframe 18,150 hrs · 11,174 cycles

LT & RT BRAKE FAULT ON LANDING ROLL OUT COUPLED WITH LOSS OF BRAKING POWER. INTERROGATED CMC AND FOUND NO MAINTENANCE MSGS CORRELATED WITH LT & RT BRAKE FAULTS. AS PRECAUTION, RESET ACFT POWER IAW AMM 24-42-00 AND PERFORMED BRAKE CHKS IAW AMM 32-41-00-710-801A. ALL CHECKED OK. NO FAULTS NOTED IN BRAKE SYS.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 17,340 hrs · 10,640 cycles

DURING MAINTNENANCE, THE FORWARD EXTERIOR LT EMERGENCY LIGHT IS INOPERATIVE. R & R NR 4 POWER UNIT IAW 33-50-01. OPS CHECK GOOD.

Part: SENSOR — OUT OF LIMITS (SLAT SYS) · airframe 17,009 hrs · 10,427 cycles

CREW DECLARED AN EMERGENCY AND ACFT DIVERTED DUE TO SLAT FAIL EICAS MSG ON DESCENT. NO HANDLE MOVEMENT DURING QRH PROCEDURE, SLATS DID NOT MOVE FROM ZERO. ACCOMPLISHED FIM TASK 27-83-00-810-814-A. DURING FUNCTIONAL CHECK OF LT & RT OTBD SKEW SENSORS, FOUND OUT OF LIMITS. ADJUSTED LT & RT OTBD SKEW SENSORS TO LIMITS IAW AMM 27-83-01-400-801-A. OPS TESTS NORMAL AT THIS TIME.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHT) · airframe 16,718 hrs · 10,253 cycles

DURING MAINTENANCE THE FORWARD CABIN EMERGENCY EXIT LIGHT FOUND INOPERATIVE. R & R NR 1 POWER SUPPLY UNIT IAW AMM 33-50-00. OPS CHECK GOOD.

Part: BLADE — MISSING (RT ACM) · airframe 16,149 hrs · 9,910 cycles

FLT 875, CREW DECLARED AN EMERGENCY DUE TO STRONG BURNING ODOR REPORTED BY PAX AND CREW IN AFT CABIN ON FINAL APPROACH. NO SMOKE PRESENT OCCURED AT ROUGHLY 9000 FT. DURING DESCENT FUMES DISSIPATED AFTER POWER WAS REMOVED FROM IFE RACK. T HE TECH FOUND MISSING BLADES ON NR 2 ACM. R & R NR 2 ACM IAW AMM 21-51-05-000-801. THE ELECTRICAL ODOR SYSTEM INTEGRITY CHECK IAW LTV-545-44-20-10 WAS ACCOMPLISHED WITH NO DISCREPANCY FOUND.

Part: MAU — FAILED (NR 2) · airframe 15,654 hrs · 9,565 cycles

ADS NR 2 FAILED WITH ASSOCIATED EICAS MESSAGES. TROUBLESHOT IAW FIM 31-41-00-810-89M-A, FAULT CODE 31410601CBT. R & R MAU 2, NIC 2 IAW AMM 31-41-04. ALL OK FOR SERVICE.

Part: WARNING MESSAGE — ILLUMINATED · airframe 15,443 hrs · 9,433 cycles

1A FAIL EICAS DISPLAYED IN FLIGHT AT FL370. PERFORMED RESET OF NIC & PROC 1 IAW FIM TASK 31-41-00-810-885-A. FAULT REMOVED AND OPS CHECK GOOD. PHYSICALLY INSPECTED NIC & PROC 1 BACKSHELL AND CONNECTION, NO DEFECT NOTED AT THIS TIME.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 15,248 hrs · 9,286 cycles

ON MAINTENANCE CHECK FOUND RT OVERWING EXIT LIGHT UNDER RT EMERGENCY EXIT DOOR INOPERATIVE. R & R RT EMERGENCY LIGHT POWER UNIT NR 3. OPS CHECK GOOD IAW 33-50-01-04.

Part: CONTROL MODULE — FAILED (BRAKE SYSTEM) · airframe 11,517 hrs · 6,957 cycles

FLT 1226 RDU-BOS, CREW DECLARED AN EMERGENCY DUE TO BRAKE LEFT FAULT EICAS MSG WHEN GEAR EXTENSION. EXECUTED GO-AROUND & COMPLIED WITH QRH. RECONFIGURED FOR LANDING FLAPS FULL. NORMAL LANDING. REMOVED AND REPLACED MAIN BRAKE CONTROL MODULE NR 2 IAW AMM 32-41-07, AS PER FIM 32-41-00-810-825-A SYSTEM CHECK GOOD.

Part: WIRE — LOOSE (CABIN) · airframe 11,069 hrs · 6,698 cycles

FLT 1118 CLT-JFK, ON GROUND MAINTENANCE CHECK FOUND LT AFT DOOR LOWER EMERGENCY EXIT SIGN IDENTIFIER INOP. SECURED WIRE W201-02338-20 AT L2 DOOR EXIT LOC SIGN HARNESS EMERGENCY LIGHTS, OPS CHECK GOOD.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,973 hrs · 6,646 cycles

FLT 6263 JFK-BNA, ON HEAVY MAINTENANCE CHECK FOUND AFT CABIN RIGHT SEAT TRACK HAS CORROSION AT FR 84. REMOVED ASSOCIATED FASTENERS, BLEND, CUT OUT AFFECTED AREA, HFEC INSPECTION, FABRICATED STRAP AND FILLER, TRANSFER HOLES, LOCATE AND DRILL FOR FASTENERS. ALODINE, PRIME AND TOPCOAT. WET INSTALL FASTENERS AND FABRICATED PARTS, FILLET SEAL IAW EA E13-055-01.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,973 hrs · 6,646 cycles

FLT 6263 JFK-BNA, ON HEAVY MAINTENANCE CHECK FOUND AFT CABIN LT SEAT TRACK HAS CORROSION AT FR 84. REMOVED ASSOCIATED FASTENERS, BLEND, CUT OUT AFFECTED AREA, HFEC INSPECTION, FABRICATED STRAP AND FILLER, TRANSFER HOLES, LOCATE AND DRILL FOR FASTENERS. ALODINE, PRIME AND TOPCOAT. WET INSTALL ALL FABRICATED PARTS, FILLET SEAL IAW EA E13-055-01.

Part: CROSSBEAM — CORRODED (FUSELAGE) · airframe 10,973 hrs · 6,646 cycles

FLT 6263 JFK-BNA, ON HEAVY MAINTENANCE CHECK FOUND FWD CABIN FRAME 17 CROSSBEAM CORRODED. REMOVE ASSOCIATED FASTENERS, BLEND, CUT OUT AFFECTED AREA, HFEC INSPECTION FILL BLENDED AREAS WITH RESIN, FABRICATED "L" BRACKET AND SHIMS, LOCATE AND DRILL FOR FASTENERS LOCATION. ALODINE, PRIME AND TOPCOAT. WET INSTALL ALL FABRICATED PARTS WITH A SINGLE ROW OF HI LITE FASTENERS ON VERTICAL AND HORIZONTAL SURFACES IAW EA E13-050-01.

Part: CROSSBEAM — CORRODED (FUSELAGE) · airframe 10,973 hrs · 6,646 cycles

FLT 6263 JFK-BNA, ON HEAVY MAINTENANCE CHECK FOUND FWD CABIN FRAME 14 CROSSBEAM CORRODED. REMOVE ASSOCIATED FASTENERS, BLEND, CUT OUT AFFECTED AREA, HFEC INSPECTION FILL BLENDED AREAS WITH RESIN, FABRICATED "L" BRACKET AND SHIMS, LOCATE AND DRILL FOR FASTENERS LOCATION. ALODINE, PRIME AND TOPCOAT. WET INSTALL ALL FABRICATED PARTS WITH A SINGLE ROW OF HI LITE FASTENERS ON VERTICAL AND HORIZONTAL SURFACES IAW EA E13-050-01.

Part: SENSOR — FAILED (LE SLAT) · airframe 7,835 hrs · 4,731 cycles

FLT 1175, BOS-EWR, CREW DECLARED AN EMERGENCY DUE TO SLAT FAIL ON APPROACH. REMOVED AND REPLACED LT OUTBD SKEW SENSORS IAW AMM 27-83-01. BOTH SENSORS OPS CHECK GOOD. SENSOR P/N 1702286B S/N 3544.

Part: PLATE — OUT OF POSITION (SERVICE DOOR) · airframe 5,516 hrs · 3,284 cycles

FLT 6403 JFK-BNA, ON GROUND HEAVY MAINTENANCE VISIT AT BNA FOUND FWD SERVICE DOOR FAILED TO DEPLOY DURING EMERGENCY CONFIGURATION CHECK. ASSEMBLY PLATE WAS FOUND IN THE DISARMED POSITION AND SAFETIED TO KNURL SCREW. REARMED CONTROL PLATE IAW AMM 52-41-51.

Part: SLIDE — UNSECURE (PAX DOOR) · airframe 1,700 hrs · 1,035 cycles

FLT JB589 HPN-FLL, DURING MAINTENANCE AT FLL THE L2 LEFT AFT PASSENGER DOOR EMERGENCY ESCAPE SLIDE UNRAVELED. MX REMOVED AND REPLACED L2 DOOR EMERGENCY EVACUATION SLIDE ASSY PER AMM 25-65-01, OPS CHECK NORMAL.