N11551

Part: CHARGER — INOPERATIVE (EMERGENCY LIGHTS) · airframe 39,883 hrs · 31,115 cycles

DURING MX THE OVERWING EMERGENCY LIGHTS WERE INOP. MX R&R #4 EMERGENCY BATTERY TRAY WITH OPERATIONAL CHECK GOOD. A/C WAS APPROVED FOR RETURN TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 39,883 hrs · 31,115 cycles

DURING MX THE MAIN DOOR AND COCKPIT EMERGENCY LIGHTS DID NOT WORK. MX R&R THE #1 EMERGENCY LIGHT BATTERY WITH OPERATIONAL CHECK GOOD. A/C WAS APPROVED FOR RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 38,762 hrs · 30,199 cycles

PILOT REPORTED EMERGENCY LIGHTS INOP FROM ROW 7 AND AFT.MX REMOVED AND REPLACED #1, #3, AND #4 EMERGENCY BATTERIES WITH OPS CHECK GOOD. A/C WAS APPROVED FOR RETURN TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 37,977 hrs · 29,576 cycles

NR 2 EMERGENCY LIGHT BATTERY PACK INOPERATIVE. REMOVED AND REPLACED NR 2 EMERGENCY LIGHT BATTERY PACK IN ACCORDANCE WITH AMM 33-50-04. OPERATIONAL CHECK GOOD.

Part: SKIN — DENTED (FUSELAGE) · airframe 37,977 hrs · 29,576 cycles

DURING "C" CHECK, A DENT WAS FOUND AT FRAME 5 AND STRINGER 5R AS A RESULT OF INSPECTION. COMPLETED FILLER AND DOUBLER REPAIR FOR DAMAGED AREA AT FRAME 5 AND STRINGER 5R IN ACCORDANCE WITH ETD 2018-145-072142 REV 1.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 37,977 hrs · 29,576 cycles

EMERGENCY LIGHTS IN AFT CABIN DO NOT ILLUMINATE. REMOVED AND REPLACED NR 3 AND NR 4 BATTERY PACKS IN ACCORDANCE WITH AMM 33-50-04. OPERATIONAL CHECK GOOD.

Part: SKIN — CRACKED (FUSELAGE) · airframe 37,977 hrs · 29,576 cycles

TYS A/C IS IN C-CHECK WHEN INSPECTION FOUND SKIN CRACKED AROUND HOLES UNDER THE RAD NR 2 FRAME 69. MAINTENANCE INSTALLED A REPAIR TO THE FUSELAGE SKIN AFT OF THE RAD ANTENNA IAW SRM 53-00-08. ALL WORK ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 37,977 hrs · 29,576 cycles

A/C IS IN C-CHECK WHEN INSPECTION FOUND THE CENTER OMEGA BEAM AT FRAME 20WITH AN AREA OF CORROSION. MAINTENANCE REMOVED THE AREA OF CORROSION USING A NEW PART AT FRAME 20 IAW SRM53-21-10. ALL WORK ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.

Part: SKIN — BUCKLED (FUSELAGE) · airframe 37,977 hrs · 29,576 cycles

DURING "C" CHECK, A BUCKLE WAS FOUND AT FRAME 3, FORWARD OF THE BATTERY DOOR AS A RESULT OF INSPECTION. REMOVED DAMAGED AREA AND INSTALLED DOUBLER REPAIR IN ACCORDANCE WITH ETD 2018-145-072142.

Part: INVERTER — INOPERATIVE (EMERGENCY LIGHTS) · airframe 37,163 hrs · 28,910 cycles

DURING A PREFLIGHT INSPECTION, THE AISLE EMERGENCY LIGHT STRIPS 2 & 3 WERE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NR 2 EMERGENCY LIGHT INVERTER. OPS TESTED WITH NO DEFECTS NOTED AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FRAME — CRACKED (FRM 68) · airframe 32,746 hrs · 25,404 cycles

DURING C-CHECK FRAME 68 CRACKED AT CARGO DOOR HOLD OPEN CUP. REPAIRED FRAME 68 IAW EC 5330-03083. ACFT APPROVED FOR RETURN TO SERVICE.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 32,356 hrs · 25,097 cycles

DURING MAINTENANCE INSPECTION THE PROXIMITY LIGHTS AND OVERWING EMERGENCY LIGHTS WERE FOUND TO BE INOPERATIVE. MAINTENANCE R & R THE NR 4 EMERGENCY LIGHT BATTERY, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.

Part: ACM — FAILED (NR 2) · airframe 29,313 hrs · 22,741 cycles

CREW REPORTED NR 2 PACK VALVE CLOSED IN FLIGHT, UNABLE TO RESET AND HAD A BURNING ODOR. MAINTENANCE INSPECTED AND REPLACED THE NR 2 ACM. OPS CHECKED GOOD.

Part: ATTACH BRACKET — WORN (RT AILERON) · airframe 28,103 hrs · 21,812 cycles

DURING C-CHECK, RT AILERON OTBD PCA LUG INBD HAT BUSHING MIGRATED. MAINTENANCE R & R BRACKET IAW EC5750-01177. ACFT APPROVED FOR RETURN TO SERVICE.

Part: COFFEEMAKER — SMOKE (GALLEY) · airframe 27,125 hrs · 21,058 cycles

THE CREW REPORTED INFLIGHT THE COFFEE POT SMOKED AND SMELLED OF BURNED POPCORN. THE COFFEEMAKER WAS IMMEDIATELY TURNED OFF. THE COFFEE MAKERS WERE PLACED ON MEL/NEF. MX INSPECTED AND PERFORMED OPS CHECKS AND FOUND NO DEFECTS WERE FOUND. THE ACFT WAS RELEASED FOR SERVICE.

Part: UNKNOWN — ODOR (CABIN) · airframe 26,394 hrs · 20,509 cycles

THE CREW REPORTED ODOR COMING FROM PACK 1 WHEN ENGINE BLEEDS WERE SELECTED. MX INSPECTED AND PERFORMED OPS CHECKS OF PACK 1, ENGINE BLEED 1. NO DEFECTS WERE FOUND. THE ACFT WAS RELEASED FOR SERVICE.

Part: UNKNOWN — ODOR (CABIN) · airframe 25,419 hrs · 19,741 cycles

FLIGHT 4210, CREW REPORTED A MILD ODOR OF FUMES IN CABIN AND COCKPIT INFLIGHT WHICH MADE A PASSENGER SICK. MX RAN BOTH ENGINES AND PACK SYS AND PERFORMED OPS CHECKS SUCCESSFULLY. UNABLE TO DUPLICATE ODOR. ACFT WAS APPROVED FOR RETURN TO SERVICE.

Part: SKIN — DENTED (FUSELAGE) · airframe 23,300 hrs · 17,989 cycles

DENT BELOW CARGO DOOR BUMPER PLATE. CUT OUT CREASED AREA AND RECONTURED DENT. FABRICATED FILLER AND DOUBLER. ALODINED, PRIMED AND PAINTED FILLER AND DOUBLER. INSTALLED FILLER AND DOUBLER AND APPLIED SEALANT.

Part: FITTING — CRACKED (NR 1 NACELLE) · airframe 23,300 hrs · 17,989 cycles

NR 1 PYLON FWD YOKE LWR FWD FITTING CRACKED. R & R NR 1 ENG FWD LWR FITTING.

Part: FAN — OVERHEATED (NR 2 AHRS) · airframe 23,158 hrs · 17,875 cycles

CREW REPORTED SMOKE IN CABIN IN FLIGHT. MX R & R NR 2 AHRS FAN FOR OVERHEATING AND INOPERATIVE IAW AMM 34-21-03 WITH OPS CHECK SUCCESSFUL. ACFT APPROVED FOR RETURN TO SERVICE.

Part: CONTROL UNIT — FAULTY (BRAKE SYSTEM) · airframe 22,376 hrs · 17,248 cycles

CLE - FLT 4281 THE CREW REPORTED AFTER LANDING INITIAL BRAKING WAS GOOD THEN A LOSS OF BRAKING, RECEIVED A BRAKE DEGRADE MESSAGE THEN WENT AWAY. BRAKE TEMP WAS HIGH ON THE INBOARD BRAKES. MAINTENANCE INSPECTED AND REPLACED THE BRAKE CONTROL UNIT. OPERATIONAL CHECKS WERE GOOD.

Part: CONNECTOR — LOOSE (RT MLG) · airframe 20,434 hrs · 15,605 cycles

FLIGHT 2312 - EWR - FLIGHT CREW REPORTED LG AIR/GND FAIL IN FLIGHT AND ON GROUND AFTER LANDING. EWR MX RE-SECURED LOOSE CONNECTOR FOR RIGHT GEAR WOW PROX SWITCH AND PERFORMED EXTENSION AND RETRACTION OF LANDING GEAR - OPS CHECK GOOD. ACFT WAS APPROVED TO RETURN TO SERVICE.

Part: CHARGER — FAULTY (CABIN) · airframe 20,320 hrs · 15,511 cycles

CLE FLT 6014 - THE CREW REPORTED THE LEFT AND RIGHT OVERWING EMERGENCY LIGHTS WERE INOPERATIVE. MAINTENANCE INSPECTED AND REPLACED THE NR 4 EMERGENCY LIGHT BATTERY CHARGER.OPERATIONAL CHECKS WERE GOOD.

Part: INVERTER — INOPERATIVE (CABIN) · airframe 19,508 hrs · 14,889 cycles

EMERGENCY FLOOR PROX LIGHT STRIPS 6, 7, 8 ARE INOP. REMOVED AND REPLACED NR 6 INVERTER, OPS CHECK GOOD.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 18,650 hrs · 14,260 cycles

SHV - DURING C-CHECK THE CENTER OMEGA BEAM WAS FOUND TO BE CORRODED BETWEEN FRAMES 59-60. MAINTENANCE REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW EC5310-01473. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 18,650 hrs · 14,260 cycles

SHV - DURING C-CHECK THE LT OMEGA BEAM WAS FOUND TO BE CORRODED AT FRAME 38. MAINTENANCE REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW EMB 145 SRM 53-00-10. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: DOOR FRAME — CORRODED (FUSELAGE) · corrosion level 2 · airframe 18,650 hrs · 14,260 cycles

SHV - DURING C-CHECK THE AFT SERVICE DOOR FRAME WAS FOUND TO BE CORRODED AT FRAME 22 BETWEEN STRINGERS 15R AND 16R. MAINTENANCE REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW EC5310-01373. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 18,650 hrs · 14,260 cycles

SHV - DURING C-CHECK THE LT OMEGA BEAM WAS FOUND TO BE CORRODED AT FRAME 54. MAINTENANCE REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW EMB 145 SRM 53-00-10. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 18,650 hrs · 14,260 cycles

SHV - DURING C-CHECK THE LT OMEGA BEAM WAS FOUND TO BE CORRODED AT FRAME 20. MAINTENANCE REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW EMB 145 SRM 53-00-10. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: INVERTER — INOPERATIVE (CABIN) · airframe 18,286 hrs · 13,990 cycles

TYS DURING A OVERNIGHT THE A/C WAS FOUND WITH THE NR 3 INVERTER FOR THE EMERGENCY LIGHTS INOP. MAINTENANCE REMOVED AND REPLACED THE NR 3 INVERTER IAW EMB 145 AMM33-50-11. OPS CHECK GOOD AND WAS RELEASED.

Part: CONNECTOR — LOOSE (CABIN) · airframe 17,534 hrs · 13,438 cycles

CLE FLT 2038 THE CREW REPORTED THE EMERGENCY AISLE PATH LIGHTING AT ROW 4 THRU 6 WERE INOPERATIVE. MAINTENANCE INSPECTED AND RE-SECURED A LOOSE CONNECTOR AND THE LIGHT STRIP. OPERATIONAL CHECKS WERE GOOD.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 17,185 hrs · 13,164 cycles

IAH - FLIGHT 3086 - DURING PREFLIGHT INSPECTION THE CREW REPORTED A FLOOR LEVEL EMERGENCY LIGHT HAD ONE SECTION NOT ILLUMINATING. MAINTENANCE VERIFIED NORMAL OPERATION OF THE FLOOR LEVEL LIGHTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: SKIN — DENTED (FUSELAGE) · airframe 16,995 hrs · 13,018 cycles

DENT TO LWR FWD FUSELAGE NEAR RVSM AREA. REPLACED SKIN IAW EC5330-01975.

Part: INVERTER — INOPERATIVE (CABIN) · airframe 16,165 hrs · 12,379 cycles

MCI - DURING MAINTENANCE INSPECTION AISLE PATH EGRESS LIGHTS NUMBER FOUR & FIVE, AND THE OVERWING EMERGENCY LIGHTS WERE FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NUMBER FIVE INVERTER, OPERATIONALLY TESTED WITH NO DEFECTS FOUND, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 16,027 hrs · 12,269 cycles

FLIGHT 3050 - EWR - FLIGHT CREW REPORTED ELECTRIC BURNING SMELL IN FLIGHT DECK DURING CLIMB. CREW PERFORMED AIR RETURN AND LANDED UNEVENTFULLY. EWR MX PERFORMED ENGINE RUN WITH BLEEDS ON/OFF AND PACKS ON/OFF AND NO SMELL WAS NOTED. ACFT WAS APPROVED TO RETURN TO SERVICE.

Part: ANTI-ICE VALVE — INOPERATIVE (WING) · airframe 16,026 hrs · 12,268 cycles

FLIGHT 2077 - EWR - FLIGHT CREW PERFORMED AIR RETURN DUE TO "WING A/I FAIL" MESSAGE ON EICAS IN ICING CONDITION AND NO "OPEN" LIGHT ON WING A/I BUTTON. CREW LANDED UNEVENTFULLY. EWR MX REMOVED AND REPLACED NR 2 WING A/I VALVE AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.

Part: FIRE LOOP — CHAFED (NR 1 NACELLE) · airframe 15,655 hrs · 11,992 cycles

E1 FIRE DETECT FAIL MSG. R&R FIRE LOOP ON ENG 1 IAW EMB 145 AMM 26-11-01. OPS CHECK GOOD. ACFT RELEASED FOR SERVICE

Part: BALLAST — INOPERATIVE (LAVATORY LIGHTS) · airframe 15,051 hrs · 11,547 cycles

IAH DURING MX INSPECTION A BURNING ODOR IN THE LAV WAS DISCOVERED. MX R&R THE LT LIGHT BALLAST IN THE LAV. OPS CHECKED WITH NO DEFECTS AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN)

FLT MX ONT WHILE PERFORMING PRELIMINARY INSPECTION ON ACFT 551 SCHEDULE 4A CHECK INSPECTOR FOUND EMERGENCY PROXIMITY LIGHT OUT BTW ROWS 8 AND 12. MX PERSONNEL R&R NR 3 EMERGENCY LIGHT BATTERY. OPS CHECK SATISFACTORY AND ACFT WAS RELEASED TO RETURN FOR SERVICE.

Part: WINDOW — OUT OF ADJUST (COCKPIT)

FLT 0312-IAH, FLIGHT CREW REPORTED LOUD PIERCING SQUEAL FROM CAPT DV WINDOW ON FLIGHT FROM AUS TO JAX DIVERTED TO IAH. MAINTENANCE PERSONNEL RE-ADJUSTED DV WINDOW. OPERATIONALLY AND LEAK CHECKED SATISFACTORY AND ACFT WAS RELEASED TO RETURN FOR SERVICE. (S)

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT)

LT OVERWING EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED NR 1 EMERGENCY LIGHT BATTERY IAW EMB 145 AMM 33-50-04. OPS CHECK GOOD. (S)

Part: O-RING — DAMAGED (FUEL PANEL) · airframe 13,304 hrs · 10,323 cycles

FLT 115 - BOI TO ONT - FLIGHT CREW REPORTED RIGHT WING FUEL LEAK DURING PRE-FLIGHT WALK AROUND. MX SENT A MECHANIC TO BOI WITH PART TO BE CHANGED AND REPOSITION AIRCRAFT TO ONT. MX REMOVED AND REPLACED O-RING AND GASKET FROM WING FUEL PANEL, OPERATIONALLY CHECKED GOOD AND LEAK CHECKED GOOD A/C WAS RETURNED FOR SERVICE IN AIRWORTHY CONDITIONS.

Part: FLOORBEAM — CORRODED (CABIN) · airframe 13,243 hrs · 10,282 cycles

SHV - DURING C-CHECK CENTER OMEGA BEAM CORROED BEYOND ALLOWABLE LIMITS ON FR 20. MAINTENANCE REMOVED AND REPLACED CENTER OMEGA BEAM FROM 18 TO 23 IAW EMB 145 SRM 51-40-02. THE AIRCRAFT WAS APPROVED TO RETURN FOR SERVICE.

Part: UNKNOWN — ODOR (CABIN) · airframe 12,723 hrs · 9,910 cycles

FLT 534 - RDU - DURING PREFLIGHT, CREW REPORTED ELECTRICAL BURNING SMELL IN CABIN. MX POWERED ACFT AND TURNED ON LIGHTS AND EQUIPMENT IN CABIN, BUT COULD NOT DUPLICATE THE BURNING SMELL. ACFT WAS APPROVED TO RETURN TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 12,008 hrs · 9,417 cycles

IAH - DURING MAINTENANCE INSPECTION THE FORWARD EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NUMBER ONE EMERGENCY LIGHT BATTERY, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 11,327 hrs · 8,880 cycles

IAH - DURING MX INSPECTION, THE RIGHT HAND UPPER EXTERIOR EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE AFFECTED LIGHT BULB, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: INVERTER — INOPERATIVE (CABIN) · airframe 9,736 hrs · 7,656 cycles

STL - DURING MAINTENANCE INSPECTION, THE FLOOR PROXIMITY LIGHTS WERE FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NUMBER TWO EMERGENCY LIGHT INVERTER, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FLOOR SUPPORT — CORRODED (CABIN) · airframe 8,389 hrs · 6,585 cycles

SHV - DURING C-CHECK MAINTENANCE FOUND CENTER OMEGA BEAM AT FRAME 20 WITH CORROSION BETWEEN RAMP ANGLE AND BUTTSTRAP. MAINTENANCE REPAIRED CENTER OMEGA BEAM AT FRAME 20 IAW EMB 145 SRM 51-40-02. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FIREWALL — CRACKED (APU BAY) · airframe 8,389 hrs · 6,585 cycles

SHV - DURING C-CHECK MAINTENANCE FOUND APU FIREWALL CRACKED ON RT SIDE 3 O'CLOCK POSITION AT END OF STIFFENER. MAINTENANCE REPAIRED APU FIREWALL RT SIDE AT 3 O'CLOCK POSITION IAW EMB 145 SRM 53-32-13 SEC 5 FIG 204. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FIREWALL — CRACKED (APU BAY) · airframe 8,389 hrs · 6,585 cycles

SHV - DURING C-CHECK MAINTENANCE FOUND APU FIREWALL CRACKED AT RIVET ADJACENT TO RT SIDE OF COWLING ALIGNMENT PIN. MAINTENANCE REPAIRED APU FIREWALL AT RT SIDE OF COWLING ALIGNMENT PIN IAW EMB 145 SRM 53-32-13. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FLOOR SUPPORT — CORRODED (CABIN) · airframe 8,389 hrs · 6,585 cycles

SHV - DURING C-CHECK MAINTENANCE FOUND LT OMEGA BEAM CORRODED AT FRAME 20. MAINTENANCE REPAIRED LT OMEGA BEAM AT FRAME 20 IAW EMB 145 SRM 51-40-02 & EC 5320-01140. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: FIREWALL — CRACKED (APU BAY) · airframe 8,389 hrs · 6,585 cycles

SHV - DURING CHECK MAINTENANCE FOUND APU FIREWALL CRACKED AT FASTENER AT STR 16R. MAINTENANCE REPAIRED APU FIREWALL IAW EMB 145 SRM 53-32-13. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 4,193 hrs · 3,363 cycles

TYS DURING A SCHEDULED INSPECTION CORROSION WAS FOUND ON THE OMEGA BEAM RAMP ANGLE AT FRAME 20. MAINTENANCE ACCOMPLISHED A DOUBLER REPAIR IAW EMB SRM 53-21-10 AND CPM 57-21-04,05,06. THE AIRCRAFT WILL BE RELEASED UPON COMPLETION OF INSPECTION.

Part: WINDSHIELD — CRACKED (COCKPIT)

IAH- DURING CLIMB OUT THE CREW NOTED THAT THE CAPTAINS WINDSHIELD SHATTERED IN FLIGHT. THE CREW DID AN AIR RETURN TO IAH, AND, LANDED WITHOUT INCIDENT. IAH- MAINTENANCE REMOVED AND REPLACED THE CAPTAINS WINDSHIELD, PERFORMED A OPERATIONAL CHECK, NO DEFECTS NOTED, AND, THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

Part: ENGINE — LEAKING (NR 1)

CREW REPORTED SMOKE IN CABIN WITH EITHER ENGINE BLEED SELECTED AND LAV SMOKE INDICATION. MAINTENANCE DETERMINED SMOKE COMING FROM AN OIL LEAK INTERNAL TO THE NR 1 ENGINE. MAINTENANCE REMOVED AND REPLACED NR 1 ENGINE PERFORMED OPERATIONAL AND LEAK TESTS. THE AIRCRAFT WAS APPROVED FOR RETURNED TO SERVICE.

Part: ENGINE — ODOR (#1 ENGINE) · airframe 878 hrs · 686 cycles

EWR---CO3516, CREW REPORTED, "VERY ACRID ODOR AND SMALL AMOUNT OF SMOKE FROM #1 PACK AFTER ENGINE BLEED SELECTED ON CLIMBOUT" MAINTENANCE FOUND EVIDENCE OF ENGINE COMPRESSOR WASH FLUID CAUSING ACRID SMELL RAN ENGINES IAW EMB145 MM 72-00-00. OPS.CHECKED GOOD. AIRCRAFT RETURNED TO SERVCIE. CO3121, CREW REPORTED, "AIR RETURN DUE TO SMOKE IN CABIN AND COCKPIT AND LAV FIRE INDICATION." EWR MAINTENANCE INSPECTED ENGINES #1 AND #2 FOR OIL LEAKAGE AT ENGINE "0" BEARING NO LEAKS NOTED. RAN BOTH ENGINES AT POWER WITH BLEEDS ON FOR ONE HOUR. NO SMOKE IN CABIN OR COCKPIT AND NO LAV SMOKE INDICATION. REFERENCE EMB145 MM 72-00-00. AIRCRAFT RELEASED FOR TEST FLIGHT PURPOSES. CO4366, AIRCRAFT TEST FLOWN SATISFACTORY. AIRCR