N309UA
Registered owner: UNIVERSITY OF ALASKA FAIRBANKS, AK (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| UNITED AIRLINES, INC. (CALA) | Operator | on 2006-03-23 | Operator named in NTSB report |
Accident & incident history
Operated by UNITED AIR LINES INC (per NTSB report)
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.
51 reports on file, 1995-06-07 – 2008-07-30.
Part: O-RING — LEAKING (SLIDE BOTTLE)
LOW BOTTLE. GAUGE ADAPTER & RUPTURE DISK O-RING LEAKING. REPLACED WITH NEW.
Part: SELECTOR PANEL — FAULTY (COCKPIT) · airframe 61,285 hrs · 36,226 cycles
F/O OXYGEN MASK MIC IS INOP. AFTER TROUBLE SHOOTING FOUND AUDIO SELECT PANEL FAULTY. REPLACED FIRST OBSERVER'S AUDIO SELECTOR PANEL OP CHECK GOOD. ACFT OK FOR SERVICE.
Part: BATTERY PACK — FAULTY (EMERGENCY LIGHT) · airframe 61,150 hrs · 36,146 cycles
EEL TRACK DOES NOT ILLUMINATE AT SEAT ROW 17 THRU 21. *S/D* SUSPECT FAULTY BATTERY PACK. REPLACED BATTERY PACK, OP CHECKED GOOD. AC OK FOR SERVICE.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 60,867 hrs · 35,964 cycles
LAST 10 FEET OF EMERGENCY EXIT LIGHTS INOP. SUSPECT FAULTY LIGHT ASSEMBLY. REPLACED LIGHT ASSEMBLY ROW 17 THRU 21. OP CHECKS GOOD. AC OK FOR SERVICE.
Part: SLIDE — OUT OF POSITION (R2 DOOR) · airframe 60,793 hrs · 35,915 cycles
DOOR 2R SLIDE GIRT IS PARTIALLY OUT OF THE CONTAINER. SUSPECT IMPROPERLY INSTALLED. REPOSITION THE CABLE. AC OK FOR SERVICE.
Part: OXYGEN MASK — LEAKING (CREW) · airframe 60,930 hrs · 35,717 cycles
CREW O2 NEEDS SERVICE. FOUND FIRST OBSERVERS O2 MASK LEAKING AT QUICK DISCONNECT FITTING, REPLACED MASK AND STOWED PER AMM 35-12-85. AC OK FOR SERVICE.
Part: PUMP — FAILED (NR 1 ENGINE) · airframe 60,076 hrs · 35,485 cycles
RTFL DUE TO NR 1 ENGINE HYDRAULIC PUMP FAILURE. NR 1 ENGINE DRIVEN PUMP FOUND FAULTY. REPLACED NR 1 ENGINE DRIVEN PUMP. REPLACED NR 1 HYD EDP CASE DRAIN FILTER. NO METAL FOUND IN FILTER. CHANGED FILTER (P/N FLA161001144) PRECAUTIONARY, NO LEAKS NOTED ON ENG RUN.
Part: PUMP — FAILED (NR 1 ENGINE) · airframe 60,076 hrs · 35,485 cycles
RTFL DUE TO NR 1 ENGINE HYDRAULIC PUMP FAILURE.
Earlier reports · 1995–2007 · 43 reports
2007
Part: LIGHT — LOOSE (CABIN) · airframe 59,453 hrs · 35,100 cycles
EMERGENCY LIGHT CAME LOOSE FROM FLOOR. REPLACED DAMAGED LIGHT AND SECURED COVER.
Part: FEEDER CABLE — UNSECURE (EMERGENCY LIGHTS) · airframe 59,286 hrs · 34,991 cycles
FOUND EEL FLOOR LIGHTS INOP FROM SEAT 17 TO SEAT 21. REATTACHED FEEDER CABLE AND SECURED. OP CHK GOOD.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 59,286 hrs · 34,991 cycles
FOUND EEL FLOOR LIGHT INOP AT FWD FIRST CLASS CLOSET. REPLACED LIGHT STRIP. OP CHK GOOD
Part: LIGHT — INOPERATIVE (CABIN) · airframe 58,903 hrs · 34,763 cycles
FLOOR EMERGENCY EXIT LIGHTS 21 ABC INOP. REPLACED STRIP.
Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 58,491 hrs · 34,499 cycles
LEFT OVERWING EXTERIOR EMEGENCY LIGHT INOP. RELAMPED OPS CHK GOOD.
Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 58,491 hrs · 34,499 cycles
LEFT AFT BODY FAIRING EXTERIOR EMERGENCY LIGHT INOP. RELAMPED OPS CHK GOOD.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 58,223 hrs · 34,337 cycles
EEL LIGHTS INOP AFT OF ROW 18. REPLACED CABLE & TWO LAMPS.
Part: HORN — FAULTY (WARNING SYSTEM) · airframe 58,173 hrs · 34,303 cycles
LANDING GEAR WARNING HORN CANNOT BE SILENCED WITH BUTTON. [06-14-07] REPLACED AURAL WARNING UNIT.
Part: HANDLE — OUT OF POSITION (L2 DOOR) · airframe 58,079 hrs · 34,235 cycles
DOOR 2L OUTSIDE DOOR HANDLE CAME OUT OF STOWED POSITION DURING FLIGHT. [SUP 05-16-07] CAUSE UNKNOWN. ALL CHECKS WERE NORMAL.
Part: THERMAL SWITCH — FAILED (WINDSHIELD) · airframe 57,940 hrs · 34,229 cycles
LIGHT BURNING ODOR FROM COCKPIT WINDOW L5, WINDOW FELT HOT. REPLACED WINDOW & THERMAL SWITCH.
Part: FIRESEAL — DAMAGED (NR 2 ENGINE) · airframe 57,448 hrs · 33,830 cycles
NR 2 ENGINE PYLON FIRE SEAL ASSY AT FWD END OF REVERSER HAS HOLE WORN IN IT AT CENTER LINE OF PYLON. MAJOR REPAIR. REMOVED DAMAGE. INSTALLED WEB REPAIR PER SRM 51-70-13.
2006
Part: LIGHT — INOPERATIVE (CABIN) · airframe 56,481 hrs · 33,238 cycles
FLOOR STRIP LIGHTS INOP LEFT, AFT CABIN REPLACED 3 EEL LIGHT STRIPS.
Part: SKIN — CRACKED (FUSLAGE) · airframe 56,383 hrs · 33,177 cycles
AFT GALLEY DOOR FUSELAGE SKIN CRACKED AT UPPER HINGE CUTOUT. MAJOR REPAIR: MAJOR REPAIR INSTALLED PER SRM 53-60-01 REPAIR 5.
Part: SKIN — CRACKED (NR 3 SLAT) · airframe 56,383 hrs · 33,177 cycles
NR 3 SLAT LWR EXT SKIN CRACKED AT 3 FASTENERS BELOW ACTUATOR. MAJOR REPAIR: SLAT REPAIRED PER SRM 57-43-01 REPAIR 6.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 55,367 hrs · 32,562 cycles
EEL LIGHTS ARE INOP AT AFT SEGMENT OF FLOOR AISLEWAY.
Part: SKIN — CRACKED (FUSELAGE) · airframe 55,278 hrs · 32,500 cycles
FOUND CRACK RT SIDE FUSELAGE EVEN WITH WING LEADING EDGE, BETWEEN PASSENGER WINDOWS, ONE INCH BELOW ROW OF RIVETS, MEASURE APPROX 3 INCHES LONG FORE TO AFT. INSTALLED DOUBLER/TRIPLER REPAIR PER UA EVA-60265 A.
Part: LIGHT — INOPERATIVE (EMERGENCY EXIT) · airframe 54,533 hrs · 32,053 cycles
RIGHT OVERWING LIGHT INOP BY EMERGENCY EXIT.
2005
Part: CABLE — DAMAGED (EMERGENCY LIGHTS) · airframe 53,031 hrs · 31,159 cycles
EMERGENCY EEL LIGHTS INOP FROM ROW 17 AFT TO AND INCLUDING EEL STRIP IN FRONT OF AFT GALLEY CART STOWAGE COMPARTMENT. SUPPLEMENTAL DATA UPDATE EEL CABLE WAS DAMAGED, REPLACED CABLE.
Part: SKIN — DENTED (FUSELAGE) · airframe 52,517 hrs · 30,863 cycles
FUSELAGE DENT STA 389 BETWEEN STR 17L AND 18L. INSTALLED DOUBLER REPAIR.
Part: BEAR STRAP — DAMAGED (FUSELAGE) · airframe 52,517 hrs · 30,863 cycles
AFT CARGO DOOR CUTOUT HAS PRE-EXISTING CUTOUT IN BEAR STRAP FOR REPAIR. AFTER AFT FUSELAGE SKIN REPLACEMENT, INSTALLED DOUBLER/TRIPLER REPAIR.
Part: STRINGER CLIP — CRACKED (FUSELAGE) · airframe 52,517 hrs · 30,863 cycles
STATION 727A STRINGER CLIP IS CRACKED AT STR 20R. REPLACED STRINGER CLIP.
Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 52,517 hrs · 30,863 cycles
STATION 1016 FLOORBEAM UPPER T-CAP HAS CORROSION FROM LBL 25 TO LBL 45. REPLACED T-CAP.
Part: PRESSURE PANEL — CRACKED (FUSELAGE) · airframe 52,517 hrs · 30,863 cycles
LEFT STA 664 PRESSURE DECK WEB IS CRACKED AT APPROXIMATELY LBL 30 JUST FWD OF OUTBOARD AILERON TOWER SHAFT. MAJOR REPAIR ACCOMPLISHED. CUT OUT CRACK, FABRICATED AND INSTALLED A DOUBLER REPAIR.
Part: SKIN — GOUGED (FUSELAGE) · airframe 52,517 hrs · 30,863 cycles
FWD CARGO DOOR CUTOUT FWD EDGE IS GOUGED AT STR 24R. MAJOR REPAIR ACCOMPLISHED. BLENDED DAMAGE AND INSTALLED DOUBLER REPAIR.
Part: STRINGER CLIP — CRACKED (FUSELAGE) · airframe 52,517 hrs · 30,863 cycles
STRINGER CLIP CRACKED AT STA 787 STRINGER 21 RIGHT. MAJOR REPAIR ACCOMPLISHED. REMOVED AND REPLACED STRINGER CLIP.
Part: FRAME — CRACKED (FUSELAGE) · airframe 52,517 hrs · 30,863 cycles
STA 616 FRAME IS CRACKED BELOW STR 17L. MAJOR REPAIR ACCOMPLISHED. TRIMMED DAMAGE AND INSTALLED REPAIR ANGLE.
2004
Part: SKIN — DENTED (FUSELAGE) · airframe 49,695 hrs · 29,227 cycles
DENT LOCATED 32 INCHES AFT OF THE FWD CARGO DOOR FROM ABOUT 10 INCHES BELOW THRESHOLD, DENT MEASURING 20 INCHES L X 1.8875 INCH W X 0.065 INCH D. MAJOR REPAIR ACCOMPLISHED. INSTALLED DOUBLER REPAIR.
Part: SKIN — DENTED (FUSELAGE) · airframe 49,695 hrs · 29,227 cycles
DENT LOCATED 3 INCHES AFT OF THE AFT FRAME OF THE FWD CARGO DOOR CUTOUT. MAJOR REPAIR ACCOMPLISHED. INSTALLED DOUBLER REPAIRS.
2002
Part: CONNECTOR — SHORTED (FIRE WARNING) · airframe 46,062 hrs · 26,932 cycles
DURING CLIMBOUT, APU FIRE LIGHT ILLUMINATED WITH THE APU OFF. ON SECOND OCCURRENCE, APU FIRE HANDLE PULLED, BOTTLE DISCHARGED, AND RETURNED TO FIELD. INSPECTED APU OVERHEAT DETECTION SYSTEM AND FOUND A SHORT TO GROUND AT CONNECTOR D4934P ON BOTH PINS A & C. REPLACED CONNECTORS D1876 AND D1878. APU FIRE DETECTION SYSTEM CHECKED GOOD.
2001
Part: SKIN — DENTED (VERTICAL STAB) · airframe 42,515 hrs · 24,823 cycles
DENT IN VERTICAL STABILIZER LEADING EDGE APPROXIMATELY 8 INCHES ABOVE THE FUSELAGE. REPAIRED DENT IN VERTICAL STABILIZER LEADING EDGE. MAJOR REPAIR ACCOMPLISHED.
Part: ATTACH FITTING — DAMAGED (MLG BEAM) · airframe 42,515 hrs · 24,823 cycles
EXCESSIVE MATERIAL REMOVED DURING BLEND OUT ON RT MAIN LANDING GEAR SUPPORT BEAM ATTACH FITTING. REPLACED THE RT MAIN LANDING GEAR SUPPORT BEAM ATTACH FITTING. MAJOR REPAIR ACCOMPLISHED.
Part: FLOORBEAM — DAMAGED (FUSELAGE) · airframe 42,515 hrs · 24,823 cycles
CABIN FLOORBEAM STA 947 HAS EXCESSIVE MATERIAL REMOVED. REPAIRED CABIN FLOORBEAM. MAJOR REPAIR ACCOMPLISHED.
Part: SKIN — DENTED (CARGO DOOR) · airframe 42,512 hrs · 24,821 cycles
AFT CARGO DOOR EXTERNAL SKIN DENTED ABOVE THE HANDLE AREA. REPAIRED DENTS ON AFT CARGO DOOR. MAJOR REPAIR ACCOMPLISHED.
Part: FRAME — GOUGED (FUSELAGE) · airframe 42,512 hrs · 24,821 cycles
AFT PIT BODY FRAME STA 787 RBL 16 GOUGED. REPAIRED FRAME. MAJOR REPAIR ACCOMPLISHED.
Part: STOP FITTING — CRACKED (GALLEY DOOR) · airframe 42,512 hrs · 24,821 cycles
FORWARD GALLEY DOOR LOWER AFT STOP FITTING FRAME CRACKED. REPAIRED CRACKED FRAME. MAJOR REPAIR ACCOMPLISHED.
Part: TEE CHORD — CRACKED (CARGO DOOR) · airframe 42,512 hrs · 24,821 cycles
FORWARD CARGO DOOR CROSSBEAM AFT END OUTER TEE CHORD CRACKED. REPAIRED CRACKED TEE CHORD. MAJOR REPAIR ACCOMPLISHED.
Part: BEAM — CRACKED (CARGO DOOR) · airframe 42,512 hrs · 24,821 cycles
AFT CARGO DOOR LOWER CROSS BEAM CRACKED. REPAIRED CRACKED CROSS BEAM. MAJOR REPAIR ACCOMPLISHED.
2000
Part: INDICATOR — FAILED (COCKPIT) · airframe 41,298 hrs · 24,199 cycles
LEADING EDGE AND TRAILING EDGE FLAPS WOULD NOT RETRACT. *S/D* REPLACED R123 FLAP ASYMMETRY SHUTOFF RELAY AND TRAILING EDGE FLAP POSITION INDICATOR. FLAP SLAT SYSTEM, OPS CHECKS NORMAL.
1999
Part: OVERHEAT ELEMENT — MALFUNCTIONED (RT WING)
RIGHT HAND WING-BODY OVERHEAT WARNING. *S/D* REPLACED THE RIGHT WING LEADING EDGE DETECTOR ELEMENT ITEM M1204, REFERENCE MM 26-18-11 PG 401, OPS CHECK OK.
1998
Part: FITTING — LOOSE (B-HYD SYST)
B-HYDRAULIC SYSTEM LOW PRESSURE LIGHT CAME ON IN FLIGHT AFTER LOSS OF B-HYDRAULIC SYSTEM QUANTITY. *S/D* AIRCRAFT MAINTENANCE TECHNICIAN FOUND T-FITTING LEAKING IN THE RIGHT WHEEL WELL. SECURED FITTING. FILLED AND PRESSURE CHECKED, NO LEAKS FOUND. ALSO, REPLACED B-SYSTEM ELECTRIC AND ENGINE DRIVEN PUMP, BOTH B-SYSTEM CASE DRAIN FILTERS. OPS CHECK GOOD.
1997
Part: ENGINE — FIRE (NR 2)
SMOKE FROM REAR OF NR 2 ENGINE AFTER SHUTDOWN. FOUND SMALL FIRE BURNING IN TAILPIPE. FIRE WENT OUT BY ITSELF. *S/D* ALL MAINTENANCE CHECKS WITHIN OPERATING LIMITS. NOT CONTINUED OPERATION PROBLEMS. ACCOMPLISHED FUEL SHUTOFF MEASUREMENT CHECK. CHECKS WITHIN LIMITS. PERFORMED ENGINE RUN AND POST INSPECTION. NO FUEL WAS FOUND IN THE TAILPIPE.
1995
Part: DOOR — NOT SECURE (CARGO COMPT)
RETURNED TO FIELD WITH CARGO DOOR WARNING LIGHT. FOUND FORWARD CARGO DOOR NOT FULLY SECURED.
Part: SENSOR — OUT OF ADJUST (CARGO DOOR)
RETURNED TO FIELD WITH CARGO DOOR WARNING LIGHT. ADJUSTED PROX PLATE FOR DOOR WARNING SENSOR. OPS CHECKS OK. DOOR WAS FOUND CLOSED AND SECURED UPON ARRIVAL AT SFO.