N12145
Registered owner: UNITED AIRLINES INC, IL (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
49 reports on file, 2005-10-18 – 2026-05-18.
Part: HOSE — CUT (HYD SYSTEM) · airframe 50,566 hrs · 33,334 cycles
#1 HYD LOW QTY FOLLOWED BY HYD SYSTEM 1 FAIL ON CLIMB OUT. #1 HYD LOW QTY MESSAGE CAME ON DURING CLIMB OUT OF IAH/ QTY WAS SHOWING AMBER. SAW THE CARROTS WERE SLOWLY MOVING DOWN THEN LOST SYSTEM 1 HYD PRESSURE AND THEN #1 HYD SYSTEM FAILURE MESSAGE APPEARED. #1 EDP WAS RUNNING FOR 30 MINUTES. ONCE ON THE GROUND THEY SHUTDOWN THE #1 ENGINE AND TURNED OFF #1 ELECTRICAL PUMP IN FLIGHT. REMOVED AND REPLACED #1 HYDRAULIC EDP. CASE DRAIN / PRESSURE FILTER BOWL WAS ABSENT OF CONTAMINATION. UPON OPS CHECK, FOUND UPPER HYDRAULIC HOSE FROM EDP SEVERELY LEAKING WITH A 1 INCH GASH. REMOVED AND REPLACED UPPER HYDRAULIC HOSE. OPS AND LEAK CHECK SAT. ADDED 5 LITERS OF HYDRAULIC FLUID DUE TO HYD SYSTEM #1 WAS EMPTY. PERFORMED LANDING FREE FALL CONDITION-INSP CHECK. INSP/CHECK SAT.
Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 50,487 hrs · 33,257 cycles
EXTERIOR EMERGENCY LIGHT - WING FUSELAGE FRONT FAIRING LT - INOPERATIVE. REMOVED AND REPLACED BATTERY POWER SUPPLY #1. OPS CHECK SAT. NO FURTHER DEFECTS NOTED.
Earlier reports · 2005–2025 · 47 reports
2025
Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 49,978 hrs · 32,792 cycles
NUMBER 4 EMERGENCY LIGHT BATTERY INOPERATIVE. REMOVED AND REPLACED THE NR 4 EMERGENCY LIGHT BATTERY PACK. OPS CHECK GOOD.
Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 49,910 hrs · 32,724 cycles
INTERIOR EXIT ROW EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED BPS #3. OPS CHECK SAT.
2023
Part: PUMP — INOPERATIVE (UNKNOWN) · airframe 47,029 hrs · 30,171 cycles
HYD SYS 1 FAIL. FOUND ENGINE DRIVEN PUMP AT FAULT, REMOVED AND INSPECTED PRESSURE AND CASE DRAIN FILTERS. OPS AND LEAK CHECK SAT. NO DEFECTS NOTED. REMOVED AND REPLACED ENGINE DRIVEN PUMP #1. REMOVED AND REPLACED E1 HYD EDP DUE TO LEAKS FOUND AFTER OPS CHECK. OPS CHECK SAT. NO LEAKS OR DEFECTS NOTED.
Part: MODULE — INOPERATIVE (UNKNOWN) · airframe 46,468 hrs · 29,647 cycles
EMERGENCY LIGHT WILL NOT EXTINGUISH. REMOVED AND REPLACED ICU PANEL. OPS CHECK SAT.
2022
Part: NOT REPORTED — NOT REPORTED · corrosion level 2 · airframe 44,380 hrs · 27,815 cycles
CNTR OMEGA BEAM - FR 46 THRU FR 53 BL "0" I/B LWR FLANGE - HAS CORROSION MULTIPLE LOCATIONS. REMOVED AND REPLACED CENTER OMEGA BEAM AT FRAME 46 THRU FR 53
Part: NOT REPORTED — NOT REPORTED · corrosion level 2 · airframe 44,380 hrs · 27,815 cycles
LH OMEGA BEAM FR 38 + 5 THRU FR 46 I/B LWR FLANGE HAS CORROSION MULTIPLE LOCATIONS. REMOVED AND REPLACED LH OMEGA BEAM AT FRAME 38 + 5 TO FRAME 46
2021
Part: RELAY — FAILED · airframe 43,812 hrs · 27,300 cycles
SMOKE IN THE GALLEY AND BEHIND THE F/O SEAT ON SHORT FINAL. FOUND RELAYS K0055, AND K0054 AND THEIR SOCKETS TO BE DAMAGED. ALSO, NOTED DAMAGE TO WIRES GOING TO BOTH SOCKETS. R&R RELAYS K0055 AND K0054 AND THEIR CORRESPONDING SOCKETS. REPAIRED CORRESPONDING WIRES TO RELAY SOCKET OF K0055, K0054. PERFORMED OPS CHECK FOR PITOT HEATING. OPS CHECK SAT. PERFORMED OPS CHECK FOR AOA HEATING. OPS CHECK SAT. NO FURTHER DEFECTS NOTED
Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 43,731 hrs · 27,225 cycles
SERVICE DOOR EXTERNAL EMERGENCY LIGHT INOPERATIVE. R&R SERVICE DOOR EXTERNAL EMERGENCY LIGHT. OPS CHECK SAT.
Part: DOUBLER — NOT REPORTED (RT ELEVATOR) · airframe 43,454 hrs · 26,981 cycles
RH ELEVATOR REPAIR DOUBLER FOUND ON HORN UPPER SKIN BTW RIB YH 3222-8233 AND BTW L/E & SPAR 73.0%. REPAIR DOUBLER REWORKED.
2019
Part: ANGLE — CORRODED (AFT CARGO) · airframe 40,965 hrs · 25,041 cycles
AFT CARGO BAY DOOR CUTOUT Z ANGLE HAS CORROSION. REMOVED AND REPLACED AFT CARGO BAY DOOR CUTOUT Z ANGLE
Part: TEE FITTING — CORRODED (AFT CARGO) · airframe 40,965 hrs · 25,041 cycles
AFT CARGO BAY DOOR CUTOUT FWD T CLIP HAS CORROSION. REMOVED AND REPLACED CARGO BAY DOOR CUTOUT FWD T CLIP
Part: DOOR SILL — CORRODED (FUSELAGE) · airframe 40,965 hrs · 25,041 cycles
SERVICE DOOR AFT SILL AT FRAME 22 HAS CORROSION. REMOVED CORRODED SECTION FABRICATED DOUBLER AND INSTALLED AT FRAME 22.
Part: GUSSET — CORRODED (FUSELAGE) · airframe 40,965 hrs · 25,041 cycles
MID LAV FLOOR GUSSET AT FRAME 61 HAS SURFACE CORROSION. REMOVED AND REPLACED MID LAV FLOOR GUSSET AT FRAME 61.
Part: GUSSET — CORRODED (FUSELAGE) · airframe 40,965 hrs · 25,041 cycles
LT LAV FLOOR GUSSET AT FRAME 61 HAS SURFACE CORROSION. REMOVED AND REPLACED LT LAV FLOOR GUSSET AT FRAME 61.
2018
Part: CLAMP — LOOSE (BLEED AIR SYS) · airframe 40,345 hrs · 24,548 cycles
BLEED 2 LEAK. R2 ENGINE BLEED VALVE AND BOTH CLAMPS. TIGHTENED CLAMP JUST AFT OF NR 2 PRECOOLER AND ADJUSTED PNEUMATIC DUCTS. PERFORMED OPS/LEAK TEST. NO DEFECTS/MSGS NOTED AT THIS TIME.
Part: CLAMP — UNSECURE (BLEED AIR SYS) · airframe 40,115 hrs · 24,353 cycles
BLEED 2 LEAK AT 20,000 FT IN ICING CONDITIONS. CHECKED SECURITY OF ALL BLEED 2 COUPLINGS. NO FURTHER LEAKS NOTED AT JOINTS 18, 20, 22, OR 24. SECURED 3 CLAMPS IN #2 PYLON AND REPLACED SEAL AT LOCATION 8. PERFORMED BLEED OPS CHECK WITH CREW.
Part: SUPPORT — OUT OF ADJUST (DOOR ROLLER)
MAIN CABIN DOOR WILL NOT CLOSE FROM THE INSIDE. ADJUSTED FWD UPPER ROLLER SUPPORT. OPSC CHECK GOOD AT THIS TIME.
2016
Part: LIGHT — WORN (CABIN) · airframe 36,604 hrs · 21,433 cycles
EMERGENCY LIGHT STRIP WORN BY 1A. R & R THE EMERGENCY LIGHT STRIP.
Part: ARMREST — DAMAGED (SEAT 18A) · airframe 36,428 hrs · 21,278 cycles
INBOARD ARMREST WILL NOT LOCK AT 18A. INBOARD ARMREST AT 18A PLACED ON DMI# 7009152 ON LOG PAGE 156769, ON 09/24/16. ON 09/25/16: R & R INBOARD ARMREST AT 18A, OPS CHK GOOD. CLEARED DMI# 7009152 ON LOG PAGE 156771,ON 09/25/16
Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 35,154 hrs · 20,211 cycles
EMERGENCY LIGHT LT FWD WING TO FUSELAGE FAIRING EC, EXTERIOR FLOOD LIGHT NR 3 INOPERATIVE. REPLACED THE LAMP EXTERIOR EMERGENCY FLOOD LIGHT NR 3. OPS CHECK GOOD.
Part: FLASHLIGHT — INOPERATIVE (CABIN) · airframe 34,901 hrs · 19,999 cycles
F/A FLASHLIGHT WILL NOT CHARGE. R & R THE FLASHLIGHT. OPS CHECK GOOD.
2014
Part: MOUNT — CRACKED (NR 1 ENGINE) · airframe 31,625 hrs · 17,799 cycles
DURING ROUTINE MAINTENANCE 5A INSPECTION, THE NR 1 ENGINE LOWER FORWARD MOUNT YOKE FITTING WAS FOUND CRACKED. MAINTENANCE REPLACED THE YOKE FITTING IAW SB 145-54-0013 AND ETD 2014-145-073164.
2013
Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 28,720 hrs · 15,996 cycles
DURING MX INSPECTION THE AFT OVERWING EMERGENCY EXIT LIGHT WAS FOUND INOPERATIVE. R & R BULB, OPS CHECKED SUCCESSFUL. ACFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FRAME — CORRODED (PAX DOOR) · corrosion level 2 · airframe 28,500 hrs · 15,855 cycles
DURING C-CHECK THE PAX DOOR LOWER FRAME WAS FOUND TO BE CORRODED AROUND THE NUTPLATE HOLES FOR THE DOOR LINER FASTENERS. MX REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW EC5210-01154. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.
Part: YOKE — CRACKED (RT ENGINE MOUNT) · airframe 28,500 hrs · 15,855 cycles
DURING C-CHECK THE RT ENGINE FWD LOWER MOUNT YOKE WAS FOUND TO BE CRACKED AND VERIFIED WITH EDDY CURRENT. MX R & R THE YOKE IAW EC5450-01073. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FLOOR SUPPORT — CORRODED (ZONE 100) · corrosion level 2 · airframe 28,500 hrs · 15,855 cycles
DURING C-CHECK THE LT OMEGA BEAM WAS FOUND TO BE CORRODED AT FRAME 20. MX REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW SRM 53-00-10. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.
Part: UNKNOWN — SMOKE (CABIN) · airframe 27,371 hrs · 15,131 cycles
THE CREW REPORTED AT 800 FT. SMOKE BEGAN BILLOWING INTO THE COCKPIT AND CABIN THEN HAD APU FAIL MESSAGE. MX INSPECTED AND NOTICED STRONG ODOR OF DEICE FLUID WHEN RUNNING BLEED SYS. ODOR DISAPPATED WITHIN 15-20 MINUTES WITH PACKS ON AND DID NOT RETURN. ENGINE RUNS PRODUCED NO UNUSUAL ODOR. NO SMOKE EITHER.
2012
Part: TIRE — FAILED (NR 3 WHEEL) · airframe 25,948 hrs · 14,185 cycles
THE CREW REPORTED NR 3 TIRE BLEW ON TAKEOFF. PERFORMED EMERGENCY LANDING. MX REPLACED THE NR 3 AND NR 4 MAIN WHEEL ASSEMBLIES. THE ACFT WAS RELEASED FOR SERVICE.
2011
Part: SHOCK ABSORBER — DEFECTIVE (RT MLG) · airframe 23,489 hrs · 12,619 cycles
FLT 2494 EWR-MCI CREW REPORTED 3 BANGS DURING GEAR RETRACTION AFTER TAKEOFF. CREW PERFORMED AIR RETURN BACK TO EWR UNEVENTFULLY. EWR MX REMOVED AND REPLACED THE RIGHT MAIN GEAR STRUT SHOCK ABSORBER AND SERVICED IAW EMB145 AMM 32-10-02 AND EC3210-01184. ACFT WAS TEST FLOWN AND OPERATIONALLY CHECKED SATISFACTORY AND APPROVED FOR RETURN TO SERVICE.
Part: CONTROL UNIT — MALFUNCTIONED (BRAKE SYSTEM) · airframe 23,469 hrs · 12,606 cycles
CLE FLT 2354 THE CREW REPORTED A BANGING NOISE DURING GEAR RETRACTION. THE CREW SEEMED TO THINK IT WAS ASSOCIATED WITH THE WHEELS SPINNING. THE AIRCRAFT RETURNED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE BRAKE CONTROL UNIT. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS TEST FLOWN AND NO DEFETS WERE NOTICED. THE AIRCRAFT WAS RELEASED FOR SERVICE.
Part: WARNING SYSTEM — MALFUNCTIONED (FIRE DETECTION) · airframe 22,954 hrs · 12,309 cycles
CLE FLT 2250 THE CREW REPORTED AN APU FIRE DETECT FAIL MESSAGE ON THE EICAS DURING TAXI. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED PLACED THE APU FIRE DETECT SYSTEM AND THE APU ON MEL. SUPPLEMENT TO FOLLOW.
Part: INVERTER — INOPERATIVE (CABIN) · airframe 22,915 hrs · 12,274 cycles
EMERGENCY LIGHT INVERTER NR 4 INOP. REMOVED AND REPLACED NR 4 INVERTER IAW EMB 145XR AMM33-50-11, OPS CHECK GOOD.
Part: SOLENOID VALVE — INOPERATIVE (NLG) · airframe 21,854 hrs · 11,682 cycles
FLIGHT 2909 - DCA - FLIGHT CREW REPORTED THAT UPON GEAR RETRACTION WIND NOISE HEARD FROM NOSE AREA. EWR MX REMOVED AND REPLACED NOSE GEAR DOOR SOLENOID VALVE AND PERFORMED OPERATIONAL CHECK SUCCESSSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.
Part: PRESSURE SWITCH — FAULTY (NR 1 ENGINE) · airframe 21,500 hrs · 11,490 cycles
IAH - FLT 2548 THE CREW REPORTED A NR 1 ENGINE LOW OIL PRESSURE WARNING IN FLIGHT. THE AIRCRAFT DIVERTED INTO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE LOW OIL PRESSURE SWITCH. OPERATIONAL CHECKS WERE GOOD.
2010
Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 18,840 hrs · 10,010 cycles
SHV - DURING C-CHECK CENTER OMEGA BEAM HAS CORROSION (LEVEL 2 LOCAL) FRAME 20. MAINTENANCE REMOVED AND REPLACED CENTER OMEGA BEAM BETWEEN FRAMES 16-24 IAW EMB-145 SRM 51-40-02. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 18,840 hrs · 10,010 cycles
SHV - DURING C-CHECK LT OMEGA BEAM HAS CORROSION BETWEEN FR 23-30. REPAIRED OMEGA BEAM IAW EMB 145 SRM 53-00-10. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: SKIN — CRACKED (FUSELAGE) · airframe 18,840 hrs · 10,010 cycles
SHV - DURING C-CHECK FUSELAGE SKIN HAS CRACKS AROUND RIVETS AT FR 79 ON RT SIDE. REPAIRED SKIN IAW EC5310-02080. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 18,840 hrs · 10,010 cycles
SHV - DURING C-CHECK RT OMEGA BEAM BETWEEN FRAME 60-61 HAS CORROSION (LEVEL 2 LOCAL) AT NUT PLATE HOLE. MAINTENANCE PERFORMED REPAIR ON RT OMEGA BEAM BETWEEN FRAME 60-61 AT NUT PLATE HOLE IAW EC5310-01473. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: DISPLAY — MALFUNCTIONED (COCKPIT) · airframe 18,668 hrs · 9,914 cycles
FLIGHT 2899 - EWR - FLIGHT CREW REPORTED EICAS WENT BLANK IN FLIGHT, ACCOMPANIED BY ELECTRICAL ODOR. EWR MX REMOVED AND REPLACED EICAS DISPLAY UNIT AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.
2009
Part: ENGINE — MALFUNCTIONED (NR 1) · airframe 16,426 hrs · 8,721 cycles
MAINTENANCE REPORTED HAZE AND SMOKE DURING ENGINE RUNS OF THE NR 1 ENGINE WITH THE LEFT OR RIGHT COOLING PACKS ON. THE ENGINE WAS REPLACED AND OPERATIONAL CHECKS WERE GOOD. SUPPLEMENT TO FOLLOW.
2008
Part: PROXIMITY SENSOR — INOPERATIVE (MLG) · airframe 14,481 hrs · 7,662 cycles
IAH - FLIGHT 2352 - CREW REPORTED, AFTER TAKEOFF THE LANDING GEAR DID NOT INITIALLY RETRACT, AND HAD THE ASSOCIATED DISAGREE MESSAGE ON EICAS. THE ACFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE TRAILING ARM PROXIMITY SENSOR. OPERATIONALLY TESTED WITH NO DEFECTS, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE. (S)
Part: CONTROL HANDLE — INOPERATIVE (MLG) · airframe 14,481 hrs · 7,662 cycles
IAH-FLIGHT 2352 - THE CREW REPORTED THAT AFTER TAKEOFF THE LANDING GEAR DID NOT INITIALLY RETRACT, AND HAD THE ASSOCIATED DISAGREE MESSAGE ON EICAS. THE ACFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR LEVER. OPERATIONALLY TESTED WITH NO DEFECTS, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE. (S)
2006
Part: SILL — CORRODED (FUSELAGE) · airframe 8,915 hrs · 4,777 cycles
AIRCRAFT IN FOR 2C CHECK 602 058223 - BAGGAGE DOOR SILL FWD EDGE CORRODED. REMOVED AND REPLACED LOWER SILL IAW EMB145 SRM 51-40-02 AND AMM 21-31-00.
Part: HINGE — WORN (VERTICAL STAB) · airframe 8,915 hrs · 4,777 cycles
TYS DURING A 2C INSPECTION THE RT VERTICAL STAB SPHERICAL BEARING WAS FOUND TO BE OUT OF LIMITS. MAINTENANCE REAMED THE HOLE TO THE FIRST OVERSIZE IAW EC 5510-01080. ALL WORK WAS ACCOMPLISHED AND WILL BE RELEASED UPON COMPLETION OF ALL 2C WORK.
Part: POWER SUPPLY — DISCHARGED (CABIN) · airframe 7,801 hrs · 4,174 cycles
IAH - FLIGHT 3170, DURING PRE-FLIGHT INSPECTION, THE CREW REPORTED THE EMERGENCY EXIT LIGHT ABOVE ROW 12 TO BE INOPERATIVE. MAINTENANCE INSPECTED THE AIRCRAFT, REMOVED AND REPLACED THE AFFECTED EMERGENCY LIGHT BATTERY POWER SUPPLY, OPERATIONALLY CHECKED WITH NO DEFECTS. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: BATTERY PACK — ACTIVATED (CABIN) · airframe 7,801 hrs · 4,174 cycles
IAH - FLIGHT 3170, DURING PRE-FLIGHT INSPECTION, THE CREW REPORTED THE EMERGENCY EXIT LIGHT ABOVE ROW 12 TO BE INOPERATIVE. MAINTENANCE INSPECTED THE AIRCRAFT, REMOVED AND REPLACED THE AFFECTED EMERGENCY LIGHT BATTERY, OPERATIONALLY CHECKED WITH NO DEFECTS. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
2005
Part: CONTROL VALVE — INOPERATIVE (FUSELAGE) · airframe 6,039 hrs · 3,214 cycles
IAH - FLIGHT 2955, CREW REPORTED A OILY BURNING ODOR IN THE COCKPIT AND FORWARD CABIN DURING DESCENT WITH A PAX OVERLOAD INDICATION IN AUTO. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE PLACED THE PAX SYSTEM ON MEL 21-30-00/1 CAT C CONTORL NUMBER 060980, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON 10/20/05 THE AIRCRAFT RON'D AT MCI WHERE MAINTENANCE REMOVED AND REPLACED THE LEFT HAND PACK CONTROL VALVE, OPERATIONALLY CHECKED WITH NO DEFECTS, REMOVED THE MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.