N198JB

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,524 hrs · 30,000 cycles

DURING HEAVY MAINTENANCE: CORROSION: FWD PAX FLOOR STRUCTURE CENTER BEAM AT FR17 Y-273.1MM (10.75"); REF EAMS NR-00056 W/O H9334: R & R FWD PAX FLOOR STRUCTURE CENTER BEAM P/N: 170-03264-001 FR12-20LH IAW EMBRAER SRM 51-40-08.(CONSIDERED A MAJOR REPAIR)

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,524 hrs · 30,000 cycles

DURING HEAVY MAINTENANCE: CORROSION: AFT LH LAVATORY FWD INBD FLOOR FITTING; REF EAMS NR-00200 W/O H9334: R & R AFT LAVATORY FLOOR FITTING PER SAFRAN CMM 25-42-06.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,524 hrs · 30,000 cycles

DURING HEAVY MAINTENANCE: CORROSION: LH INBD BEAM FR87 - Y +11" OUT OF LIMITS; REF EAMS NR-00042 W/O H9334: R & R LH INBD BEAM P/N 170-65669-003 IAW EMBRAER SRM 51-40-08.(CONSIDERED A MAJOR REPAIR)

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,524 hrs · 30,000 cycles

DURING HEAVY MAINTENANCE: CORROSION: FWD PAX FLOOR STRUCTURE SURFACE AT UPPER SUPPORT BEAM FWD OF RIGHT INBD FLOOR SEAT TRACK AT FR17 - Y + 279.4MM (11"); REF EAMS NR-00043 W/O H9334: R & R SEAT TRACK P/N: 170-03263-001 FR13-20 RH IAW EMBRAER SRM 51-40-08.(CONSIDERED A MAJOR REPAIR)

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 45,524 hrs · 30,000 cycles

DURING HEAVY MAINTENANCE: CORROSION: RH INBD BEAM FR87-Y+11" OUT OF LIMITS; REF EAMS NR-00041 W/O H9334: R & R RH INBD BEAM P/N 170-65669-004 IAW EMBRAER SRM 51-40-08. (CONSIDERED A MAJOR REPAIR)

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 44,037 hrs · 28,829 cycles

FLT#1901, BUS-JFK. 'DURING FLIGHT TRIM INDICATION DASHES UPON LANDING FLT CONTROL NO DISPATCH ECAM MASSAGE APPEARED; PERFORMED THE RETURN TO SERVICE TEST OF THE FLIGHT CONTROL SYS REA MM 27-00-00. NO FAULT NOTE THIS TIME A/C OK FOR FOR CONTINUE SERVICE.'

Part: POSITION SENSOR — FAILED (278306-03-10) · airframe 43,490 hrs · 28,443 cycles

FLT#1680, FLL-DCA. (AIRCRAFT DIVERTED TO IAD) 'IN FLIGHT AT FL370, RECEIVED EICAS MESSAGES: WINDSHEAR FAIL, GND PROX FAIL, FLAP FAIL, AT FAIL, SHAKER ANTICIPATED, AOA LIMIT FAIL, AP FAIL, AUTO CONFIG TRIM FAIL, SPD BRAKE FAIL; FAULT CODE 27532004ACE. REMOVED AND REPLACED RH WING SLAT FLAP POSN SENSOR AND ACCOMPLISHED SATISFACTORY CHECK OUT ALL WORK FIM 27-53-00-810-816 AMM 27-53-04.'

Part: SHEAR TIE — CORRODED · airframe 43,399 hrs · 28,385 cycles

DURING HEAVY MAINTENANCE: (CPCP FINDING) REF NRC 00073: CORROSION ON SHEAR CLIP BTW FR 75, STRG 29R & 28R. ON THE AFT CARGO COMPARTMENT STRUCTURE; REF NRC 00073: CORROSION IS OUT OF LIMITS ON THE SHEAR CLIP. REMOVED & REPLACED PER EMB 190 SRM 51-10-02, SRM 51-41-01 & SRM 51-41-02/. ACC BY # 428221, INSP BY 10000016. (CONSIDERED AS A MAJOR REPAIR)

Part: BEAM — CORRODED (DOOR FRAME) · airframe 43,399 hrs · 28,385 cycles

DURING HEAVY MAINTENANCE, CORROSION WAS FOUND ON LOWER BEAM AT CUTOUT FWD SERVICE DOOR. OUT OF LIMITS. REMOVED AND REPLACED IAW SRM 51-12-01, SRM 51-10-03 & SRM 53-10-11-AD52. MAJOR REPAIR.

Part: SHEAR TIE — CORRODED · airframe 43,399 hrs · 28,385 cycles

DURING HEAVY MAINTENANCE: CPCP FINDING: CORROSION ON SHEAR CLIP BTW FR85, STRG 28LH & 27LH ON AFT CARGO COMPARTMENT STRUCTURE; (RESOLVED ON W/O: 1178560 TASK CARD: NR-00009 ) REF NRC 00088: CORROSION ON SHEAR CLIP BW FR85, STRG28LH WAS OUT OF LIMITS. REMOVED AND REPLACED PER EMB 190 SRM 51-41-01 & SRM 51-41-02. ACC BY #428221, INSP BY # 10000016.

Part: SHEAR TIE — CORRODED · airframe 43,399 hrs · 28,385 cycles

DURING HEAVY MAINTENANCE: (CPCP FINDING) REF NRC 00076: CORROSION ON SHEAR CLIP BTW FR76, STRG 28R & 29R. ON AFT CARGO COMPARTMENT STRUCTURE; REF NRC 00076: CORROSION ON SHEAR CLIP IS OUT OF LIMITS. REMOVED AND REPLACED PER EMB 190 SRM 51-10-02, SRM 51-41-01 & SRM 51-41-02. ACC BY # 428221, INSP BY # 10000016. (CONSIDERED AS A MAJOR REPAIR)

Part: SHEAR TIE — CORRODED · airframe 43,399 hrs · 28,385 cycles

DURING HEAVY MAINTENANCE: (CPCP FINDING)REF NRC 00109: CORROSION ON SHEAR CLIP BTW FR82, STRG 27RH ON AFT CARGO COMPARTMENT STRUCTURE; REF NRC 00109: CORROSION ON SHEAR CLIP OUT OF LIMITS, R & R PER EMB 190 SRM 51-10-02, SRM 51-41-01 & SRM 51-41-02. ACC BY # 360918, INSP BY # 10000266. (CONSIDERED AS A MAJOR REPAIR)

Part: SHEAR TIE — CORRODED · airframe 43,399 hrs · 28,385 cycles

DURING HEAVY MAINTENANCE: (CPCP FINDING): REF NRC 00090 CORROSION ON SHEAR CLIP BTW FR87, STRG 28RH & 27RH ON AFT CARGO COMPARTMENT STRUCTURE; REF NRC 00090: CORROSION ON SHEAR CLIP IS OUT OF LIMITS. REMOVED AND REPLACED PER EMB 190 SRM 51-43-01 & SRM 51-41-02. ACC BY # 428221, INSP BY # 10000016. (CONSIDERED AS A MAJOR REPAIR)

Part: SHEAR TIE — CORRODED (FRM 82 S29R) · airframe 43,399 hrs · 28,385 cycles

DURING HEAVY MAINTENANCE, CORROSION ON SHEAR CLIP, FRAME 82, STRINGER 29R. OUT OF LIMITS. REMOVED AND REPLACED IAW SRM 51-41-01 & SRM 51-41-2. (MAJOR REPAIR)

Part: SERVICE PANEL — CORRODED · airframe 43,399 hrs · 28,385 cycles

DURING HEAVY MAINTENANCE: CORROSION IN THE INTERNAL DOUBLER AND EXTERNAL SKIN OF THE WASTE SERVICE PANEL WAS FOUND; REF TOMX W/O 2108 NR 00024. CORROSION IN EXTERNAL SKIN WAS REMOVED AND EVALUATED OT=0.098" AND MRT= 0.094" THEREFORE IS WITHIN LIMITS PER EMB-190 SRM 51-12-01, SRM 51-10-03, AND SRM 53-23-60/AD51. CORROSION IN THE INTERNAL DOUBLER WAS REMOVED AND EVALUATED OT=0.098" AND MRT =0.040" THEREFORE IT'S OUT OF LIMITS AND WAS REPAIRED PER EMB-190 SRM 51-12-01, SRM 51-10-03, SRM 53-23-60/AD51 AND SRM 53-23-60 REPAIR 51. COMPLETED BY:

Part: NONE — FAILED (NIM-FWD) · airframe 42,971 hrs · 28,080 cycles

FLT#234, JFK-BTV. 'EXPERIENCED NAVCOM 2 FAIL ALONG WITH ELECTRICAL BURNING SMELL ON APPROACH ALSO HAVE CYAN AURAL WARNING SYS FAULT AND AMP FAULT MESSAGES; FOUND NIM 2 AT MRC 2 FAULTING FOLLOWED FIM TASK 34-61-00-810-823A. REMOVED AND REPLACED NIM. 2 AT MRC 2 AS PER AMM 34-02-04. THE OPS CHECK IS GOOD AND NO DEFECTS WERE NOTED. COULD NOT DUPLICATE ELECTRICAL BURNING SMELL FOLLOWED FIM TASK 21-20-00-810-801-A. INSPECTED FWD MID AND AFT EBAYS. NO SIGNS OF BURNING FOUND.' (SUPPLEMENTAL INFORMATION ADDED TO DESCRIPTION)

Part: WINDSHIELD — SCRATCHED · airframe 41,911 hrs · 27,238 cycles

FLT#1701, JFK-FLL. (AIRCRAFT DECLARED AN EMERGENCY, (AIRCRAFT DIVERTED TO SAV)).' DURING CRUISE AT 36,000'. A SMALL CRACK DEVELOPED ON THE INNER PANE OF THE CAPTAIN'S WINDSHIELD. IT GREW TO APPROXIMATELY THREE INCHES IN LENGTH BEFORE WE DECREASED CABIN DIFFERENTIAL AND DESCENDED TO 10,000'; CLEANED, INSPECTED, AND FOUND DAMAGED AREA TO BE SURFACE SCRATCH ON INNER GLASS PLY WITHIN LIMITS PER SRM 56-11-00. ACCOMPLISHED CABIN-PRESSURIZATION LEAK TEST TO 7.3 PSI IN REF TO AMM 21-31-00. A/C OK FOR CONTINUED SERVICE.'

Part: NONE — NONE · airframe 41,514 hrs · 26,981 cycles

FLT # 1501, BUF-JFK. NOTE: ON DEPARTURE THRU 400' RA. CAUTION APP 2 NOT AVAILABLE ON EICAS. APPEARED THRU 2,500' RA & APP 2 NOT AVAIL DISAPPEARED, BUT ON F.O. PFD RA OF -5 INDICATED THRU CLIMB UNTIL FL 220 BEFORE DISAPPEARING AND ALL APPEARED NORMAL.; WITH THE A/C AT THE GATE BOTH RAS SHOWED 0. PERFORMED OPS TEST OF RAS REF AMM 34-31-00-710-801-A. OPS TEST OK. ALSO CONTACTED MCC (CHARLIE) TO REVIEW HISTORY AND POSSIBILITY OF 5G RELATED DEFECTS.

Part: CABIN AIR SYS — ODOR · airframe 40,898 hrs · 26,548 cycles

FLT #349, BOS-SAV. #1 FA REPORTED BRIEF ENCOUNTER WITH SMOKE DESCENDING FOR LANDING IN THE MIDDLE PART OF CABIN. ; PERFORMED FIM TASK 21-20-00-810-801-A THERE IS NO EVIDENCE OF SMOKE AT THIS TIME AC IS OK FOR SVC.

Part: WARNING MESSAGE — FALSE ACTIVATION (CABIN PRESSURE) · airframe 40,275 hrs · 26,112 cycles

FLT 2883, BOS-JFK. CABIN ALT HIGH WARNING ; AS PER TSI MDDR 442083 PERFORMED GVI OF PACK LOAD IAW AMM 21-51-05 NO DELYES NOTED PRESSURE SWITCH OPS CHK OK PERFORMED CABIN PERSSURAZATION CHK IAW AMM 36-00-00-860-802 OPS CHK OK A/C OK FOR SVC

Part: RIB — CRACKED (LT WING LE) · airframe 39,224 hrs · 25,349 cycles

DURING HEAVY MAINTENANCE, CRACK RIB 17 FIXED LEADING EDGE INTERNAL AREA ON LT WING. RESOLVED ON W/O: 1051864 TASKCARD: NR-00011, REF AEROMAN NR 2020-278425 WO 2020 227/1. REMOVED AND REPLACED NEW RIB 17 LOCATED AT FIXED LEADING EDGE INTERNAL AREA ON LT WING AND FASTENERS, IAW E190 SRM 51-40-08, DWG 190-31005-405 AND DWG 190-31249-405.

Part: RIB — CRACKED (LT WING LE) · airframe 39,224 hrs · 25,349 cycles

DURING HEAVY MAINTENANCE, CRACK RIB 22 FIXED LEADING EDGE INTERNAL AREA ON LT WING. RESOLVED ON W/O: 1051864 TASKCARD: NR-00012, REF AEROMAN NR 2020-278429 WO 2020 227/1. REMOVED AND REPLACED NEW RIB 22 LOCATED AT FIXED LEADING EDGE INTERNAL AREA ON LT WING AND FASTENERS, IAW E190 SRM 51-40-08 AND DRAWING 190-31005-405.

Part: STRINGER SPLICE — CRACKED (FRAME 73) · airframe 39,224 hrs · 25,349 cycles

DURING HEAVY MAINTENANCE, CRACK STRINGER SPLICE 9R AT LEVEL FR 73 IN PASSENGER CABIN. RESOLVED ON W/O: 1051864 TASKCARD: NR-00008, REF AEROMAN NR W/O 2020-227/1 WCC 2020-278494. REMOVED AND REPLACED STRINGER SPLICE 9R, LOCATED AT LEVEL OF FR 73 IN PASSENGER CABIN, IAW DWG 190-67977-803 AND E190 SRM 51-40-08. STRINGER SPLICE WAS MANUFACTURED AT AEROMAN AND IDENTIFIED WITH: PN-170-85355-002 JBLF, IAW DWG 170-85355-001 AND GMM 8.24.4.2.3. TOOL USED POWER PACK P/N:FMK0003223, S/N: PE0412/63335, DUE DATE: 13-JAN-2021, MULTIMETER P/N: FLUKE179, S/N: 97220141 DUE DATE: 02-NOV-2020, CALIPER P/N:500-197-30 S/N: A18234364, DUE DATE: 03-AUG-2021.

Part: PROCESSOR — FAILED (MAU3) · airframe 38,342 hrs · 24,744 cycles

FT # 2019, ORH-FLL. EMERGENCY DECLARED. DIVERTED TO JFK. AVN MAU 1A FAIL AND ASSOCIATED CAS MESSAGES; R & R MAU 1 NIC 1 IAW AMM 31-41-04. OPS CHK OK AT THIS TIME. RESET GENERIC IO MAU 1 AND BCM.

Part: ACM — DAMAGED (AC BAY) · airframe 37,153 hrs · 23,899 cycles

FLT 1282, RIC-BOS. EMERGENCY DECLARED. CABIN ODOR #2 PACKSTRUCK MATCH SMELL IN CABIN DURING DESCENT AT FL 180. SMELL DISSIPATED AFTER DEPRESSURIZATION; REMOVED AND REPLACED #2 ACM IAW AMM 21-51-55. OP CHECKS GOOD. MX4 UPDATED. PLACARD REMOVED AND MCC NOTIFIED.

Part: ACTUATOR — FAILED (SLAT SYSTEM) · airframe 37,026 hrs · 23,818 cycles

FT # 1616, EMERGENCY DECLARED. ON FLAP EXTENSION ON FINAL APPROACH SLAT FAIL EICAS. QRH RESET WAS UNSUCCESSFUL. SLAT INDICATED 0; FOUND ACTUATOR #5 SLAT AT R/H WING #5 TORQUE LIMITER TRIPPED. R & R SLAT ACTUATOR R/H WING #5. OPS. CHECK OK. ELECTRICAL RIGGING OK IAW TSM 27-80-00-810-802-A00. AMM 27-81-01.

Part: INDICATOR — BENT (PAX DOOR) · airframe 36,778 hrs · 23,636 cycles

FLT 102, JFK-BUF. RETURNED TO FIELD. AIR RETURN FOR "DOOR PAX FWD OPEN" WARNING MESSAGE. RAN QRH - "MINIMUM OF 2 DOOR INDICATORS GREEN" FORWARD FLIGHT ATND RELAYED SHE ONLY SAW 1 GREEN INDICATION. ALSO INDICATED SHE HEARD A KNOCK OR THUMP SHORTLY BEFORE OR AFTER 10,000. MSG APPEARED AT APPROX 17000; FOUND LT VISUAL LOCK INDICATOR OF FWD PAX DOOR BENT AND IMPEDING PROX SENSOR TARGET FROM COMING INTO RANGE. R & R LT VISUAL LOCK IND. REF MM 52-11-22. REPLACED LT VISUAL LOCK IND SPRING AS WELL REF MM 52-11-22. PERFORMED CHECK OF DOOR W/ PRESSURIZATION REF MM 21-31-00. LEAK CK +OPS CKS GOOD.

Part: FLAP — LACK OF LUBE (L1 DOOR) · airframe 35,605 hrs · 22,827 cycles

FLT 1886, PIT-BOS. L1 DOOR WOULD NOT DISARM. SUSPECT L1 DOOR VENT FLAP FROZEN. CLEANED AND LUBED L1 DOOR VENT FLAP. DOOR OPERATES NORMAL PER AMM 52-11-00. OK FOR SERVICE.

Part: SKIN PANEL — CRACKED (RT WING) · airframe 34,389 hrs · 21,923 cycles

FLT 1038, AUS-BOS. FOUND WITH A CRACK IN THE RT WING LOWER FWD SKIN PANEL P/N 190-33061-010 AT RIB 9 AND STR 19/STR 20 AREA AND SUBSEQUENTLY FERRIED TO SAL FOR REPAIR. THE CRACK MEASURES 3.835 INCH. THIS CRACK RESULTED IN FUEL LEAK IN THIS AREA. SEE REF/2/ ETD FOR MORE DETAILS. WAS CONTACTED FOR DISPOSITION AND PROVIDED THE REF/2/ ETD REPAIR CONSISTING OF A SKIN CUTOUT, INSTALLATION OF 3 REPAIR DOUBLERS, FABRICATION OF NEW PYLON ATTACH FITTINGS AND RE-ACCOMPLISHMENT OF THE STRINGER 19 RUNOUT PROCEDURE ARE PER THE REF/7/ SB. SINCE THE REF/6/ SB WAS PREVIOUSLY ACCOMPLISHED AND THE ADDITIONAL STRINGER RUNOUT AND CRACK CUT OUT IMPACT THE FAA AD AREA AN GLOBAL AMOC WAS REQUESTED. THE FAA PROVIDED THE REF/8/ AMOC LETTER AS GLOBAL AMOC APPROVAL. THE REF/1/ EA ACCOMPLISHES THIS PROPOSED REPAIR AS PER REF /2/ ETD WITHOUT DEVIATION. THIS REPAIR AFFECTS THE AIRCRAFT WEIGHT AND BALANCE AS STATED IN REF /2/ ETD GREATER THAN 10 LBS THEREFORE MX-79 IS REQUIRED FOR OPS ENGINEERING. EC E18-521-01 ACCOMPLISHES THE REPAIR PER THE REF/1/ THRU REF/5/ DOCUMENTS, WITHOUT DEVIATION. EC E18-521-02 TRACKS THE 12 MONTH DTA LIMITATION PER THE REF/2/ ETD; THIS EC HAS BEEN APPROVED PER THE REF/6/ ANAC FORM AND THE REF/7/ SB-AD DEVIATIONS HAVE BEEN APPROVED VIA THE REF/8/ AMOC LETTER. THIS IS CLASSIFIED AS A MAJOR TEMPORARY REPAIR.

Part: RIB — CRACKED (FAIRING) · airframe 33,370 hrs · 21,169 cycles

ON 01/27/2018, DCA MX REPORTED CRACK DAMAGE ON THE RIB IN THE LT WING FUSELAGE FAIRING (WFF) BULKHEAD AT FRAME 52. THE CRACK DAMAGE WAS MEASURED TO BE 1.06" (27MM) LONG. SEE REF. /3/ FOR ADDITIONAL DETAILS. THE PART (RIB) CANNOT CURRENTLY BE REPLACED OR REPAIRED AT THE CURRENT STATION DUE TO RESOURCES AVAILABLE. MCC REQUESTED A FLY-BY PERIOD SO THAT THE PART (RIB) CAN BE REPAIRED OR REPLACED. EC E18-061-01 IS ISSUED TO PROVIDE TEMPORARY REPAIR INSTRUCTIONS TO STOP DRILL THE CRACK THEN PERFORM AN HFEC WITHIN 10FC VIA MDDR TO ENSURE NO FURTHER CRACKING EXISTS AS PER REF. /1/ ETD. EC E18-061-02 IS ISSUED TO ACCOMPLISH THE POST REPAIR INSPECTION AS PER REF. /1/ EVERY 750FC. EC E18-061-03 IS ISSUED TO ACCOMPLISH THE PERMANENT REPAIR AS PER REF. /1/ ETD OR REF. /5/ SB WITHIN 2500FC; APPROVED THIS REPAIR PER REF /7/ (ETD2018-190-011469) AND IS CLASSIFIED AS MAJOR.

Part: FLOAT VALVE — FAILED (FUEL SYSTEM) · airframe 33,045 hrs · 20,953 cycles

DURING TAKEOFF, FUEL ON THE NR 2 SIDE WAS NOTED TO BE 100 LBS LESS THAN THE NR 1 SIDE. ABOUT 20 MINS AFTER TAKEOFF FUEL IMBALANCE ON EICAS. SELECTED TRANSFER OPEN TO REBALANCE FUEL. WHEN FUEL BACK IN BALANCE BOTH ENGINES WERE INDICATING SAME FUEL FLOW. STARTED CLOCK. AFTER 30 MINUTES FUEL WAS 200 LBS OUT OF BALANCE. VISUAL INSPECTION OF OF RIGHT WING CONFIRMED FUEL LEAKAGE IN THE VICINITY OF THE FUEL VENT. ADDITIONALLY FUEL APPEARED TO BE LEAKING FROM BOTH SIDES OF ENTIRE PYLON. ESTIMATED LEAK RATE AT 400 LBS PER HOUR. REMOVED AND REPLACED THE FLOAT ACTUATED DRAIN VALVES ON WING VENTS STUB DRAIN LINE AND MAIN VENT LINE IAW AMM 28-12-03-000-801-A AND 28-12-03-400-801--A. REMOVED AND REPLACED FLOAT VENT VALVE AT RT WING IAW AMM 28-12-05-400-801-A AND 28-12-05-000-801-A.

Part: FLOAT VALVE — FAILED (FUEL SYSTEM) · airframe 33,045 hrs · 20,953 cycles

DURING TAKEOFF, FUEL ON THE NR 2 SIDE WAS NOTED TO BE 100 LBS LESS THAN THE NR 1 SIDE. ABOUT 20 MINS AFTER TAKEOFF FUEL IMBALANCE ON EICAS. SELECTED TRANSFER OPEN TO REBALANCE FUEL. WHEN FUEL BACK IN BALANCE BOTH ENGINES WERE INDICATING SAME FUEL FLOW. STARTED CLOCK. AFTER 30 MINUTES FUEL WAS 200 LBS OUT OF BALANCE. VISUAL INSPECTION OF OF RIGHT WING CONFIRMED FUEL LEAKAGE IN THE VICINITY OF THE FUEL VENT. ADDITIONALLY FUEL APPEARED TO BE LEAKING FROM BOTH SIDES OF ENTIRE PYLON. ESTIMATED LEAK RATE AT 400 LBS PER HOUR; REMOVED AND REPLACED FLOAT ACTUATED DRAIN VALVES ON WING VENT STUB DRAIN LINE AND MAIN VENT LINE IAW AMM 28-12-03-000-801-A AND 28-12-03-400-801--A.REMOVED AND REPLACED FLOAT VENT VALVE AT R/WING IAW AMM 28-12-05-400-801-A AND 28-12-05-000-801-A

Part: VENT — LEAKING (FUEL SYSTEM) · airframe 33,045 hrs · 20,953 cycles

DURING TAKEOFF, FUEL ON THE NR 2 SIDE WAS NOTED TO BE 100 LBS LESS THAN THE NR 1 SIDE. ABOUT 20 MINS AFTER TAKEOFF, FUEL IMBALANCE ON EICAS. SELECTED TRANSFER OPEN TO REBALANCE FUEL. WHEN FUEL BACK IN BALANCE BOTH ENGINES WERE INDICATING SAME FUEL FLOW. STARTED CLOCK. AFTER 30 MINUTES FUEL WAS 200 LBS OUT OF BALANCE. VISUAL INSPECTION OF OF RIGHT WING CONFIRMED FUEL LEAKAGE IN THE VICINITY OF THE FUEL VENT. ADDITIONALLY FUEL APPEARED TO BE LEAKING FROM BOTH SIDES OF ENTIRE PYLON. ESTIMATED LEAK RATE AT 400 LBS PER HOUR. REMOVED AND REPLACED THE FLOAT ACTUATED DRAIN VALVES ON THE WING VENT STUB DRAIN LINE AND MAIN VENT LINE IAW MM 28-12-03-000-801-A AND 28-12-03-400-801--A. REMOVED AND REPLACED THE FLOAT VENT VALVE AT RT WING IAW AMM 28-12-05-400-801-A AND 28-12-05-000-801-A.

Part: CONNECTOR — SHORTED (NLG) · airframe 32,686 hrs · 20,697 cycles

RETURNED TO FIELD AFTER TAKEOFF, LANDING GEAR LEVER DISAGREE MESSAGE. COMPLIED WITH QRH, ALL DOWN INDICATIONS GREEN, WHEN GEAR WAS SELECTED UP, NOSE INDICATED GEAR STILL DOWN. DURING TROUBLESHOOTING, FOUND A SHORT BETWEEN CONNECTOR J0999 PIN F WIRE W202-00671-24. R & R THE SUSPECTED SHORTED CONNECTOR J0999 IAW SWPM 20-21-00. INSPECTED WIRE W202-00671-24, AND FOUND TO BE SATISFACTORY. PERFORMED MULTIPLE GEAR EXTENSION & RETRACTIONS. FOUND TO BE SATISFACTORY IAW AMM 32-33-00.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 32,668 hrs · 20,682 cycles

RIGHT EXTERIOR FWD EMERGENCY LIGHT INOPERATIVE. R & R THE NR 3 ELPU IAW MM 33-50-01. OPS CHECKED GOOD.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 30,018 hrs · 18,878 cycles

DURING ROUTINE MAINTENANCE, COCKPIT EMERGENCY LIGHT FAILED OPS TEST. R & R THE POWER SUPPLY UNIT. OPS CHECK PASSED IAW AMM 33-50-01.

Part: SENSOR — FAULTED (TEMP) · airframe 28,554 hrs · 17,857 cycles

DIVERSION, IN ICING CONDITIONS, WING ICE ON RT WING ANTI-ICE OVERHEAT A/I WING 2 LEAK MASTER WARNING CAME ON; T/S FAULT CODE 30114031AM1 IAW FIM TASK 30-11-00-810-823A. R & R BACKWALL TEMPERATURE SENSOR SLAT 2 IAW AMM 30-11-02. OPS CHECK GOOD. NO FAULTS NOTED.

Part: LOCK — NOT SEATED (EMERGENCY DOOR) · airframe 26,943 hrs · 16,744 cycles

FLIGHT DIVERTED, DUE TO EMERGENCY RT DOOR OPEN MESSAGE IN FLIGHT AT 10,000 FT. DOOR INDICATION NOT SHOWING GREEN. DECLARED AN EMERGENCY. FOUND LOCKING MECHANISM NOT SEATED PROPERLY. LATCHED RT OVERWING DOOR IAW 52-21-20. NO DEFECTS NOTED AT THIS TIME.

Part: SHEAR TIE — CORRODED (FRAME 16) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE FOUND CORROSION, SHEAR TIE AT FRAME 16 BETWEEN STRINGERS 27 - 28R. REMOVED CORRODED SHEAR TIE. LOCATED DRILLED AND ALODINED NEW SHEAR TIE. INSTALLED AND PAINTED NEW SHEAR TIE IAW SRM 53-10-04.

Part: SHEAR TIE — CORRODED (FRAME 17) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE FOUND CORROSION, SHEAR TIE AT FRAME 17 BETWEEN STRINGERS 26 - 27R. REMOVED CORRODED SHEAR TIE. LOCATED, DRILLED AND ALODINED NEW SHEAR TIE. INSTALLED AND PAINTED NEW SHEAR TIE IAW SRM 53-10-04.

Part: SHEAR TIE — CORRODED (FRAME 17) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE FOUND CORROSION, SHEAR TIE AT FRAME 17 BETWEEN STRINGERS 27L AND 28L. REMOVED CORRODED SHEAR TIE. LOCATED DRILLED AND ALODINED NEW SHEAR TIE. INSTALLED AND PAINTED NEW SHEAR TIE IAW SRM 53-10-04, FIG 45, ITEM 130, PG 3.

Part: FRAME — CORRODED (FRM 12) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE, FOUND CORROSION, FWD CABIN. RIGHT SEAT TRACK FRAME 12, RBL 9.5 -12.5 CORRODED. REMOVED CORROSION AT A & B. PERFORMED HFEC INSPECTION. NO FURTHER DAMAGE NOTED. TREATED, PRIMED AND TOP COATED AREAS. REMOVED, FABRICATED AND REPLACED DOUBLER AT FRAME 16 IAW E13-686-03.

Part: FINGER DOUBLER — CORRODED (FRAME 26) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE FOUND CORROSION AT FWD CARGO DOOR FWD FINGER DOUBLE. REMOVED DAMAGED FINGER DOUBLE. LOCATED, DRILLED AND TREATED NEW DOUBLE. INSTALLED AND TOPCOATED NEW DOUBLER, THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.

Part: FINGER DOUBLER — CORRODED (FRAME 77) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE FOUND AFT CARGO DOOR LOWER BEAM FWD FINGER DOUBLER CORRODED AT FRAME 77, PREVIOUSLY BLENDED. REMOVED CORRODED FINGER DOUBLER. LOCATED DRILLED AND TREATED NEW DOUBLE. INSTALLED AND TOP COATED NEW DOUBLER IAW SRM 53-23-11.

Part: FRAME — CORRODED (FRM 13) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE, FOUND CORROSION, FWD CABIN, RT SEAT TRACK FRAME 12, RBL 9.5 -12.5 CORRODED AS MARKED. REMOVED CORROSION AT AREA A AND B. PERFORMED HFEC INSPECTION. NO FURTHER DAMAGE NOTED. TREATED, PRIMED AND TOP COATED REPAIRED AREA. REMOVED, FABRICATED AND REPLACED DOUBLER AT FRAME 16 IAW E13-686-03. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.

Part: SEAT TRACK — CORRODED (FRAMES 12-21) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE, FOUND CORROSION, FWD CABIN, LT SEAT TRACK FRAME 12- FRAME 21, LBL 9.5 - 12.5. REMOVED DAMAGE PORTION OF LT BEAM UPPER CAP. FABRICATED DOUBLE/FILLER AND INSTALLED PARTS. TREATED PRIMED AND TOP COATED IAW SRM 53-10-10. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.

Part: BEAM — CORRODED (FRAME 24) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE, FOUND CORROSION FWD CARGO DOOR LOWER BEAM REMOVED CORRODED FORWARD CARGO DOOR CUTOUT LOWER BEAM. LOCATED DRILLED AND ALODINED NEW BEAM. INSTALLED AND PAINTED NEW BEAM IAW SRM 53-21-11. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.

Part: SHEAR TIE — CORRODED (FRAME 16) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE, FOUND CORRROSION ON SHEAR TIE AT FRAME 17 BETWEEN STRINGERS 25 - 26R. REMOVED CORRODED SHEAR TIE. LOCATED, DRILLED AND ALODINED NEW SHEAR TIE. INSTALLED AND PAINTED NEW SHEAR TIE IAW SRM 53-10-04.

Part: SHEAR TIE — CORRODED (FRAME 16) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE, FOUND CORROSION, SHEAR TIE AT FRAME 16 BETWEEN STRINGERS 27 - 28L. REMOVED CORRODED SHEAR TIE. LOCATED DRILL AND ALODINED NEW SHEAR TIE. INSTALLED AND PAINTED NEW SHEAR TIE IAW SRM 53-10-04.

Part: FLOOR SUPPORT — CORRODED (FRAMES 17-21) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE, FOUND CORROSION, FWD CABIN, AFT RT SILL FRAME 17 -FRAME 21, RBL 41 CORRODED AS MARKED, REMOVED DAMAGED SILL. LOCATED, DRILLED AND INSTALLED NEW SILL AND TOP COATED NEW SILL IAW SRM 53-10-10. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.

Part: SHEAR TIE — CORRODED (FRAME 17) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE, FOUND CORROSION ON SHEAR TIE AT FRAME 17 BETWEEN STRINGERS 27 - 28R. REMOVED CORRODED SHEAR TIE. LOCATED DRILLED AND ALODINED NEW SHEAR TIE. INSTALLED AND PAINTED NEW SHEAR TIE IAW SRM 53-10-04.

Part: FINGER DOUBLER — CORRODED (FRAME 27) · corrosion level 2 · airframe 26,518 hrs · 16,434 cycles

DURING HEAVY MAINTENANCE, FOUND CORROSION AT FWD CARDO DOOR AFT FINGER DOUBLE. REMOVED DAMAGED FINGER DOUBLER. LOCATED DRILLED AND TREATED NEW DOUBLER. INSTALLED AND TOPCOATED NEW DOUBLER IAW SRM 53-21-11. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.

Part: ELECTRICAL BOX — BURNED OUT (5CD) · airframe 25,986 hrs · 16,085 cycles

DURING FLIGHT, FOUND ROW 7 INTERMITTENT ELECTRICAL ODOR COMES AND GOES EVERY 15-20 MINUTES. PERFORMED T/S OF SMOKE AND ODOR IN PASSENGER CABIN IAW FIM 21-20-00-810-001A NO FAULTS OR MESSAGES ON EICAS INSPECTED CEILING, CEILING LIGHTS, SIDEWALL LIGHTS, READING LIGHTS AND TO INCLUDED SEATING AFFECTED AND SURROUNDING AREAS, AIR CONDITIONING, VENTS, PSU'S IAW FIM T/S FLOW CHART. FOUND 5 CD LIVE TV BOX UNDER SEAT WITH ELECTRICAL BURN ODOR. R & R SEB AT 5CD IAW MM 44-20-10, OPS CHECK GOOD NO ODOR /BURNING ODOR FOUND.

Part: SEALANT — MISSING (BLEED DUCT) · airframe 24,181 hrs · 14,897 cycles

CREW DECLARED AN EMERGENCY AND ACFT DIVERTED DUE TO NR 1 ENGINE BLEED LEAK AT FL310. ENGINE BLEED SYS, SINGLE, ICING OK. FOUND NR 1 ENGINE PRECOOLER OUTLET DUCT TO BE MISSING SEALANT. RE-SEALED PRECOOLER OUTLET DUCT IAW MM 54-5025. HIGH POWER ENGINE RUN FOUND SATISFACTORY. PACK 2 WAS ON MEL AT THE TIME OF THE EVENT.

Part: LINE — LEAKING (HYD PRESSURE) · airframe 21,711 hrs · 13,260 cycles

DECLARED AN EMERGENCY DUE TO HYD SYS 2 LOW QTY FOLLOWED BY LOSS OF SYS 2 IN FLIGHT. FOUND DAMAGE ON NR 2 EDP PRESSURE LINE AT PYLON. ACCOMPLISHED REPAIR OF LINE IAW AMM 20-10-03-300-810. NO LEAKS NOTED. OK FOR SERVICE.

Part: CROSSBEAM — CORRODED (FRAME 84) · airframe 21,539 hrs · 13,162 cycles

DURING HEAVY MAINTENANCE CHECK, FOUND CORROSION ON CROSSBEAM FR 84 AT LBL 23. TREATED BLENDED AREA, FILLED LOW SPOTS WITH EA 9396. FABRICATED DOUBLER. LOCATED AND DRILLED PARTS. INSTALLED WET ALL REMOVED AND FABRICATED PARTS. PERFORMED PRIME AND TOPCOAT TO ALL EFFECTED PARTS. ALL WORK COMPLIED IAW EC E13-685-01.

Part: CROSSBEAM — CORRODED (FRAME 17) · airframe 21,539 hrs · 13,162 cycles

DURING HEAVY MAINTENANCE CHECK, FOUND CORROSION ON FR 17 CROSSBEAM RT SIDE RBL 16. PERFORMED BLEND OUT OF AREA. PERFORMED NDT HFEC ON BLEND AREA. TREATED, PRIMED AND TOPCOAT AREA. FABRICATED ANGLE. DRILLED PARTS AND INSTALLED. TREAT PRIMED AND TOPCOAT ALL PARTS IN REPAIR. ALL WORK ACCOMPLISHED IAW EC E13-694-01.

Part: SEAT TRACK — CORRODED (FRAME 16) · airframe 21,539 hrs · 13,162 cycles

DURING HEAVY MAINTENANCE CHECK, FOUND CORROSION AT RT SEAT TRACK AT FRAME 16. PERFORMED NDT, HFEC ON BLEND AREA. TREATED, PRIMED AND TOPCOAT AREA. FABRICATED DOUBLER. DRILLED PARTS AND INSTALLED. WORK COMPLIES IAW E13-686-01.

Part: MODULE — FAILED (MAU) · airframe 20,882 hrs · 12,752 cycles

DIVERTED, AVMX MAU 3A EICAS MESSAGE. ASSOCIATED MESSAGE FAILED, ADS FAILED, SPOILER FAULT AND POSSIBLE ELECTRIC FUMES ON F/O SIDE OF ACFT. R & R PS1 MAU 3 MODULE IAW 31-41-02. OPS CHECK NORMAL. ACCOMPLISHED INSPECTION OF THE CDCCL IAW AMM 28-41-00-210-801-A/600.

Part: SKIN — CRACKED (LT WING) · airframe 20,347 hrs · 12,342 cycles

FLT 256. FOUND EVIDENCE OF FUEL SEEPAGE AT LEFT O/B CANOE AREA. PERFORMED HFEC PER 190 51-10-08-250-803A01 AND DETAILED VISUAL INSPECTION FOUND ONE 7/8 INCH LONG CRACK ON BOTTOM WING SKIN INBD OF RIB 20 AND AT RUNOUT OF STR 26L. CRACK WAS REMOVED, HFEC ACCOMPLISHED, TWO DOUBLERS MANUFACTURED AND INSTALLED AS PER EC E13-323-01.

Part: CONTROL PANEL — FAILED (COCKPIT) · airframe 19,094 hrs · 11,601 cycles

FLT 589 HPN-FLL, CREW DECLARED EMERGENCY AND DIVERTED TO MCO DUE TO MULTI EICAS MESSAGES APPEARED IN CRUISE. WINDSHEAR FAIL, GND PROX FAIL, FLAP FAIL, AT FAIL, SHAKER ANTICIPATOR, AOA LIMIT FAIL, AP FAIL, SPOILER FAULT, AUTO CONTROL TRIM FAIL. CLEARED FLAP AND SLAT INHIBITS. PERFORMED RTS TEST PER AMM 27-00-00-070-801-A/200. STILL HAD FLT CTRL NO DISPATCH WITH FCP SWITCH FAULT. REPLACED FLIGHT CONTROLS PANEL PER AMM 27-03-01. OPS CHECK GOOD. PERFORMED FLAP TEST PER AMM 27-50-00. OPS CHECK GOOD. PERFORMED SLAT TEST PER AMM 27-80-00. OPS CHECK GOOD. RTS TEST OPS CHECK GOOD. OK FOR SERVICE.

Part: TRANSCEIVER — FAILED (WEATHER RADAR) · airframe 17,846 hrs · 10,803 cycles

FLT 465 BOS-RSW, AIR RETURN TO BOS DUE TO WX RADAR FAILED. REMOVED AND REPLACED WEATHER RADAR RECEIVER/TRANSMITTER ASSY IAW AMM 34-42-01. OPS CHECK GOOD.

Part: CARBON SEAL — DAMAGED (NR 2 ENGINE) · airframe 15,860 hrs · 9,617 cycles

FLT 585 HPN-FLL, AIRCRAFT DIVERTED TO RDU DUE TO ENG 2 OIL QTY DECREASED 10.0 QTS TO 8 QTS IN 30 MIN. AT CRUISE FLT 360 MACH .78. THE TECHNICIAN REPLACED NR 2 ENGINE STARTER DRIVE CARBON SEAL O-RING REF IPC 72-63-00-01-140. OPS AND LEAK CHECK GOOD AS PER EMM 72-00-63-053. PERFORMED ENGINE OIL CONSUMPTION RUN AND VERIFIED CONSUMPTION WITHIN LIMITS.

Part: ACTUATOR — MALFUNCTIONED (R2 DOOR) · airframe 14,513 hrs · 8,785 cycles

FLT 6403 JFK-BNA, ON HEAVY MAINTENANCE CHECK AT BNA - THE R2 DOOR FAILED TO OPEN CORRECTLY DURING OPS CHECK. FOUND PNEUMATIC ACTUATOR IN DISARMED POSITION. ARMED AND SAFETIED THE PNEUMATIC ACTUATOR ON THE AFT SERVICE DOOR IAW AMM 52-42-53.

Part: BATTERY — DISCHARGED (CABIN) · airframe 13,046 hrs · 7,947 cycles

FLT JB438 MCO-BOS ON GROUND CENTER CABIN EMERGENCY LIGHT, CEILING, ROW 9 INOP IN TEST AT FAP OR FLIGHT DECK. REPLACED EMERGENCY BATTERY AT ROW 9, OPS OK.

Part: A/C PACK — ODOR · airframe 12,992 hrs · 7,919 cycles

FLT 1224 LTV SHUTOFF ON FINAL APPROACH. CAPT REPORTED SMOKE WAS SEEN AND SMELLED IN CABIN. T/S SYSTEM FOUND COOLING AIR LIGHT ON AT MX PANEL, VERIFIED LTV SYSTEM SHUT DOWN PROPERLY DUE TO COOLING AIR /ACM FAILURE RESET LIGHT AND RE-ACTIVATED LTV SYSTEM. OPS CHECK/TEST NORMAL REF MM 44-20-17. THIS CLEARS THE MEL, PLACARD REMOVED MX-4 UPDATED, DDG REVISED, MCC NOTIFIED. ON TAXI OUT AFTER STARTING ENGINE ONE, EXPERIENCED SMOKE (SMELL & VISUAL) IN THE CABIN, ALONG WITH A VERY HOT TEMPERATURE. PACK 2 FAIL FOUND BAD BEARING IN R/AIR CYCLE MACHINE. REPLACED R/AIR CYCLE MACHINE PER AMM 21-51-05. OPS CHECK GOOD.

Part: MODULE — UNRELIABLE (NLG STEERING) · airframe 11,457 hrs · 6,964 cycles

FLT JB42 JFK-SYR AFTER LANDING NO NOSE WHEEL STEERING, NO ASSOCIATED EICAS MESSAGE. SYR MX RESET CB PERFORMED FIM TASK 32-53-00-810-806A, OPS CHECK GOOD IAW AMM 32-50-00. VISUALLY INSPECTED TIRES AND BRAKES FOR BARE SPOTS OR DAMAGE, NONE FOUND. A/C OK FOR SERVICE. MX CONTROL ISSUED TSI 4319 TO REMOVE AND REPLACE STEERING MODULE AT NEXT MX CITY AND JFK MX REMOVED AND REPLACED STEERING CONTROL MODULE IAW AMM 32-53-01 OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SENSING ELEMENT — FAILED (BLEED AIR SYS) · airframe 10,145 hrs · 6,163 cycles

FLT 1114 MCO-JAX NR 2 BLEED LEAK SECURED PER QRH. LIGHT EXTINGUISHED THEN RETURNED. SECURED BOTH BLEEDS PER QRH AND MASKED DROPPED, AND GOT DIVERTED TO JAX. REMOVED AND REPLACED LOOP 5 (RT) CHANNEL A AND B, OPS CHECK OK. PERFORMED HIGH POWER RUN ON BOTH 1 AND 2 ENGINES W/ BLEED ON REF 71-00-01, CHECK GOOD REF AMM 36-21-02.

Part: SLAT — FAILED (WING) · airframe 9,820 hrs · 5,966 cycles

FLT 1422, LGL-PDX, SLAT FAIL ON APPROACH AFTER SELECTION FLAP 1, SLATS FAILED TO MOVE AND SHOWED A POSITIVE 0 AMBER INDICATION THROUGHOUT APPROACH LANDING. INSPECTED SLATS FLAPS IAW AMM 27-81-01. NO DISCREPANCIES NOTED. RESET SYSTEM OPS CHECK GOOD AT THIS TIME. COMPLIED WITH RETURN TO SERVICE CHECK IAW 27-00-00. ALL FAULTS CLEARED, OK FOR SERVICE.

Part: INDICATOR — TRIPPED (SLAT ACTUATOR) · airframe 9,661 hrs · 5,873 cycles

EICAS AMBER SLAT FAIL MESSAGE, REFERENCED QRH. TROUBLESHOOTING REVEALED THAT SLAT BRAKES WERE SET AND ACTUATOR TRIP INDICATOR TRIPPED (SLAT ACTUATOR 6 ON TRACK 7). CLEANED INSPECTED AND RESET SLAT ACTUATOR AND PERFORMED FUNCTIONAL CHECKS IAW AMM 27-81-01. NO FAULTS NOTED, OPS CHECK NORMAL.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 9,133 hrs · 5,564 cycles

FLT 139, BUF-JFK, AFTER TAKEOFF TAIL STRIKE PROT FAIL MESSAGE DISPLAYED ON BOTH PILOTS PDFS. ADDITIONALLY, LNAV MODE OF NAVIGATION COULD NOT BE ENGAGED IN THE AUTOPILOT/FLIGHT DIRECTOR SYSTEM. UPON LEVELING OFF AT 10,000FT, THE LANDING GEAR AURAL WARNING CONTINUOUSLY SOUNDED AND COULD ONLY BE SILENCED EXTENDING THE LANDING GEAR. LANDING GEAR EXTENSION NORMAL WITH NORMAL INDICATIONS, RETURNED TO BUF. T/S PER FIM TASK 27-03-00-810-897-A. DISCONNECTED COAXIAL CONNECTORS OF THE RA1 AND RA2. INSPECTED AND CLEANED SAME. RECONNECTED NR 1 AND NR 2 RA CONNECTORS PER 34-31-01/401. PERFORMED ZERO OFF SETTINGS PROCEDURES OF NR 1 AND NR 2 RA PER 34-31-00-860-80, A/C VERIFIED FOR CAT II/HGS STATUS. NO MESSAGES ON EICAS. OK FOR SERVICE.

Part: UNKNOWN — SMOKE (CABIN) · airframe 7,255 hrs · 4,483 cycles

CABIN CREW REPORTED SMOKE IN CABIN, REMOVED NR 1 AND NR 2 EXT PNLS. INSPECTED FOUND COFFEE DEBRIS IN NR PACK (NR 1 PACK OK) AMM 21-51-05. CLEANED OUT NR 2 PACK AND SECURED NR 1 AND NR EXT PNLS. OPS CHECK OF NR AND NR 2 PACKS. OK INSPECTED FWD/MID E/E BAY RECIRC FANS. OPS CHECK OK. AMM 21-26-00/01. ALSO INSPECTED TR`S, CONDITION AND OPS CHECK OK AMM 24-31-01/00. INSPECTED LAV`S NO DEFECTS NOTED. AMM 26-14-00/01. RAN (OPERATED) ENG NR 1 AND NR 2 BLEED CHECK OK. NO DEFECTS NOTED AMM 71-60-01. COMPLETED FIM 21-20-810-801A. PERFORMED LTV SMOKE IN CABIN INSPECTION IAW LTV MM 44-20-10. NO FAULTS NOTED LTV SYS. OPS CHECK NML IAW LTV MM 44-20-10. (K)

Part: A/C PACK — CONTAMINATED (NR 2) · airframe 7,255 hrs · 4,483 cycles

FLT NR 68, JFK-SYR, AIR RETURN TO JFK, CABIN CREW REPORTED SMOKE IN CABIN. REMOVED NR 1 AND NR 2 PACK EXT PNLS. INSPECTED FOUND COFFEE DEBRIS IN NR 2 PACK, NR 1 PACK OK. AMM 21-51-05. CLEANED OUT NR 2 PACK AND SECURED NR 1 AND 2 EXT PNLS. OPS CHECK OF NR 1 AND NR 2 PACKS. OKAY. INSPECTED FWD/MID E & E BAY RECIRC FANS. OPS CHK OK AMM 21-26-00/01. RAN OPERATED ENG NR 1 & NR 2 BLEED CHECK OK. NO DEFECTS NOTED AMM 71-60-01. COMPLETED FIM 21-20-00-810-801A. PERFORMED LTV SMOKE IN CABIN INSPECTION PER LTV MM 44-20-10. NO FAULTS NOTED LTV SYS. OPS CHK NML PER LTV MM 44-20-10.

Part: UNKNOWN — SMOKE (CABIN) · airframe 6,423 hrs · 4,035 cycles

FLT 931, ORD-LGB, STRONG ODOR OF ELECTRICAL SMOKE FROM ROW 6 OR 7 DURING FLIGHT. FLIGHT ATTENDANTS DID NOT SEE ANY SMOKE. INSPECTED SEAT ROWS 3 THRU 10 L & R, LTV SEBS ARE OK. PERFORMED FIM PROCEDURES PER TSM E190 21-20-00-810-801-A. NO PRESENCE OF ELECTRICAL SMOKE OR SMELL. FOUND OK.

Part: ACM — FAULTY (A/C BAY) · airframe 4,096 hrs · 2,718 cycles

FLT 422, PBI-BOS, ON SHORT FINAL COCKPIT VENTILATION DELIVERED WARM AIR THEN CREW SMELLED SMOKE. REPLACED AIR CYCLE MACHINE IN PACK IAW 21-51-00, OPS NORMAL. OLD ONE FOUND SMELLED OUT.

Part: RELAY — DEFECTIVE (ENTERTAIN SYS) · airframe 3,943 hrs · 2,624 cycles

FLT 1053, AT APPROX 1:15 PM JFK-PIT, ON DESCENT FUMES/POSSIBLE SMOKE IN CABIN/COCKPIT, SEEMS TO DISSIPATE UPON SECURING LIVE TV. INSPECTED CABIN, COCKPIT & AFT MID & FWD AVIONICS BAYS, NO DEFECTS NOTED. FOUND CV C/B POPPED ON LTV RAC, ENERGIZED LTV SYSTEM. PERFORMED TROUBLESHOOTING CHECK OF EQUIPMENT VENTILATION SYSTEM IAW 21-28-00. GROUND SHUT OFF VALVE FAILED. TROUBLESHOT COOLING SYSTEM IAW E190 WDM 21-28-51. FOUND RELAY KO367 DEFECTIVE AND CAUSE OF C/B POPPING. REMOVED AND REPLACED RELAY IAW E190 SWPM 20-32-02. PERFORMED TROUBLESHOOTING CHECK OF EQUIPMENT VENTILATION SYSTEM AGAIN. NOW PASSED. COMPLETED CABIN CHECK OF LTV AND ALL CHECKED GOOD IAW LTV MM 44-20-10.

Part: WIRE HARNESS — FAULTY (RT WING) · airframe 3,724 hrs · 2,473 cycles

DURING CONFIGURATION FROM FLAPS 3 TO FLAPS 5 GOT FAIL MESSAGE. AIRSPEED WAS APPROX 150 KTS. QRH ACCOMPLISHED AND LANDED AT FLAPS 5 SETTING. REMOVED AND REPLACED RIGHT WING HARNESS (W611) IAW 27-83-01. RESET INHIBITS & OPS CHECKED PER AMM 27-83-02. NO FAULTS.

Part: DUCT — DAMAGED (CABIN) · airframe 3,712 hrs · 2,470 cycles

FLT 1004, JFK-BOS, BURNING SMELL SIMILAR TO BURNING CURLING IRON, COMING FROM OVERHEAD COCKPIT VENT, DID NOT SEE SMOKE. SMELLED DURING CLIMBOUT, ON APPROACH NO EICAS MSG WITH SMELL. FOUND DAMAGED CABIN SUPPLY DUCT. REMOVED AND REPLACED DUCT PER AMM 21-24-03, RAN PACKS, OPS CHECK.

Part: FILTER — CLOGGED (BLEED VALVE) · airframe 2,762 hrs · 1,875 cycles

CLIMBING THROUGH 2500 FT RCVD BLEED ONE OVER PRESSURE EICAS MSG. PERFORMED QRH PROCEDURE WITH NO CHANGE IN THE FAULT. RETURN TO JFK. PERFORMED FIM TASK 36-14-00-810-838A. BLEED TROUBLESHOOT GUIDE. FOUND CLOGGED HIGH STAGE BLEED FILTER. REMOVED AND REPLACED HIGH STAGE VALVE FILTER AS PER MM 36-11-01/401.

Part: WIRE HARNESS — FAILED (SLATS) · airframe 2,567 hrs · 1,757 cycles

IN FLIGHT SHORTLY AFTER T/O WING A-1 FAIL MSG. AFTER PUSHING OUT WING A/I BUTTON FOLLOWING QRH TO RESET. A-1 WING 1 LEAK CAME ON EICAS. FOLLOWED QRH ISOLATED LT WING FROM ALL BLEED SOURCES. ON SYSTEMS PAGE LT WING DIAGRAM WAS AMBER AND TEMP WAS 290 C. WHILE RT WING TEMP WAS -4 C. THE WING LEAK MSG DID NOT EXTINGUISH AT LEAST 5 MIN. THE TEMP INDICATION ALSO WENT TO AMBER DASHES THEN CAME BACK IN 5 MIN AND SHOWED ROUGHLY -4 C. FAULTS WERE LT IB SLAT 4 TEMP SENSOR R/R TEMP SENSOR IAW 30-11-02, NO HELP. R/R LT IB SLAT 4 WIRE HARNESS IAW MM 27-83-07-000-801 INSTALLED IAW AMM 27-83-07-416-801. OPS CHECK GOOD IAW AMM 27-80-00-710-801A (W512) OK FOR SVC.

Part: VALVE — FAILED (NR 1 BLEED SYS) · airframe 2,533 hrs · 1,733 cycles

BLEED OVERPRESS AFTER T/O - BLEED NR 1 QRH PROCEDURE CLEARED MSG. A-I WING FAIL - EICAS MSG DURING CLIMBOUT. ACCOMPLISHED QRH PROCEDURE. MSG REMAINED. MSG CAUSED BY FAILURE OF FAN AIR VALVE REPLACED NR 1 ENG FAN AIR VALVE PER AMM 36-11-09. PERFORMED POWER RUN. RUN CHECK IS GOOD. A/C CLEARED FOR SERVICE. MSG CLEARED.

Part: CIRCUIT CARD — FAILED (NLG STEERING) · airframe 198 hrs · 91 cycles

ON APPROACH WHEN LANDING GEAR SELECTED DOWN CREW RECEIVED THE AMBER STEER FAIL EICAS MESSAGE. CREW RAN QRH 12-9. RECYCLED GEAR TWICE AND EACH TIME THE CREW RECEIVED MESSAGE. LANDING UNEVENTFUL. AFTER LANDING CREW RECEIVED BRAKE LT/RT FAILURE EICAS MESSAGE. ONCE A/C CAME TO A STOP, CREW NOTED NORMAL DECELERATION ON ROLL OUT. T/S TO SCM MAU2 HARDWARE. R & R STEERING CONTROL MODULE CARD AT MAU2 IAW AMM 32-53-01. PERFORMED TARGET UPLOAD OF LRM IAW AMM 45-45-00, OPS GOOD. SYSTEM DIAGNOSTIC OK. EICAS CLEAR. PERFORMED OPERATIONAL/FUNCTIONAL CHECK OF THE A/C STEERING. ALL WORK DONE IAW MM 32-52. EICAS CLEAR, NO DEFECT NOTED. RETURN A/C TO SERVICE.