N305UA
Registered owner: UNIV OF ALASKA FAIRBANKS GEOPHYSICAL INSTITUTE, 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 1990-08-21 | Operator named in NTSB report |
Accident & incident history
Operated by UNITED AIRLINES (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.
39 reports on file, 1996-06-06 – 2008-06-21.
Part: OXYGEN MASK — LEAKING (CREW O2) · airframe 61,286 hrs · 35,958 cycles
CREW REPORT: F-O O2 MASK INFLATABLE HARNESS LEAKING - NOTE: OBSERVER AND CAPT MASKS ARE GOOD. SWAPPED FO'S MASK WITH FIRST OBS MASK. FO'S MASK CHKS OK PER MM35-12-86. FIRST OBS SEAT INOP. REPLACED FIRST OBS SEAT MASK REF MM 35-12-86. AC OK FOR SERVICE.
Part: FRAME — DAMAGED (FUSELAGE) · airframe 61,071 hrs · 35,815 cycles
STA 294.5 FRAME AT STR 11L HAS TOOLING MARK. REPAIRED PER UA-EVA-71570 AND REO-L01074. THIS IS A TIME LIMITED REPAIR FOR 12 MONTHS. BOEING MUST ISSUE A NEW 8100-9 ON OR BEFORE 17MAY2009. RECEIVED FIRST STAGE APPROVAL.
Part: STRAP — CRACKED (FUSELAGE) · airframe 61,071 hrs · 35,815 cycles
THE FOLLOWING CRACKS WERE AT VERTICAL STRAP STA 348 STR 16L, INTERCOSTAL CLIP STA 360 STR 11L, INTERCOSTAL CLIP STA 294.5 STR 11L AND INTERCOSTAL WEB STA 294.5 STR 11L.
Part: FRAME — DAMAGED (FUSELAGE) · airframe 61,071 hrs · 35,815 cycles
STA 294.5 FRAME AT STR 11L HAS TOOLING MARK.
Part: STRAP — CRACKED (FUSELAGE) · airframe 61,071 hrs · 35,815 cycles
THE FOLLOWING CRACKS WERE AT VERTICAL STRAP STA 348 STR 16L, INTERCOSTAL CLIP STA 360 STR 11L, INTERCOSTAL CLIP STA 294.5 STR 11L AND INTERCOSTAL WEB STA 294.5 STR 11L. MAJOR REPAIRS. REPAIRED PER UA-EVA-71568 AND UA-EVA-71569, REO'S L-01075 AND REO L-01074 TO BE REINSPECTED WITHIN 6000 CYCLES AND EVERY 6000 CYCLES THEREAFTER. CURRENT PTC 35815. RECEIVED 8100-9. PER SB 737-53A1204.
Part: STRUCTURE — DAMAGED (BS 906 STR 26L) · airframe 60,954 hrs · 35,733 cycles
FOUND STA 906 STR 26L HAS DAMAGE. INSTALLED REPAIR AT STA 90 6 STR 26L.
Part: SKIN — DAMAGED (BS 907 S26L) · airframe 69,054 hrs · 35,733 cycles
FOUND DAMAGED SKIN AT STA 907 STR 26L. MAJOR REPAIR ACCOMPLISHED: REMOVED DAMAGED SKIN. INSTALLED DOUBLER, TRIPLER & STRUCTURUAL FILLER REPAIR.
Part: FITTING — LEAKING (OXYGEN MASK) · airframe 60,915 hrs · 35,707 cycles
CREW OXYGEN SYSTEM-LOW. RECORD PRESSURE PRIOR TO SERVICING. FOUND FIRST OBSERVERS O2 MASK LEAKING AT QUICK DISCONNECT FITTING, REPLACED MASK AND STOWED PER AMM 35-12-85 FOUND B-NUT LEAKING ON EXTERNAL FILL VLV. (B-NUT LOCATED INSIDE BOTTLE ACCESS PANEL) SECURED B-NUT LEAK CHECKED PER MM 35-12-00 501. SERVICED OXYGEN TO 1850 PSI. AC OK FOR SERVICE.
Part: SLIDE — OUT OF POSITION (R1 DOOR) · airframe 60,901 hrs · 35,696 cycles
1R DOOR ESCAPE SLIDE SLID OUT OF CONTAINER. ACCOMPLISHED INSPECTION OF DOOR SLIDE INSTALLATION DOOR 1R SLIDE CHECKED NORMAL. AC OK FOR SERVICE.
Part: PLATE — CRACKED (FUSELAGE) · airframe 60,749 hrs · 35,608 cycles
FLAP STAINLESS STEEL WEAR PLATE ON RIGHT FUSELAGE FAIRING AFT OF WHEEL WELL IS CRACKED APPROX 1.5 INCH AT FWD LOWER SECTION. REPLACED STAINLESS STEEL WEAR PLATE.
Part: OXYGEN SYSTEM — LOW (CREW O2) · airframe 60,717 hrs · 35,590 cycles
CREW O2 LOW. SERVICED OXYGEN SYSTEM.
Part: SMOKE DETECTOR — MALFUNCTIONED · airframe 60,515 hrs · 35,469 cycles
CARGO DETECTION SUPPRESSION PANEL FWD PIT FAIL LIGHTS ILLUMINATED. MODULE INDICATING BOTH B AND ONE A LOOP INOPERATIVE. REPLACED 1A AND 2B SMOKE DETECTORS.
Part: MICROPHONE — INOPERATIVE (COCKPIT) · airframe 60,497 hrs · 35,459 cycles
FIRST OFFICER`S O2 MASK MICROPHONE INOP. REPLACED OXYGEN MASK.
Part: MICROPHONE — INOPERATIVE (COCKPIT) · airframe 60,501 hrs · 35,461 cycles
OBSERVER`S O2 MASK MICROPHONE INOP. SWAPPED TO FIRST OFFICERS POSITION PER MEL.
Earlier reports · 1996–2007 · 25 reports
2007
Part: CONNECTOR — BURNED (ADI) · airframe 59,879 hrs · 35,077 cycles
F/O ADI BENCH CONNECTOR D2425 PIN 7 IN BURNED. REPLACED EADI AND BENCH CONNECTOR.
Part: DOOR FRAME — CRACKED (SERVICE DOORWAY) · airframe 59,590 hrs · 34,895 cycles
CABIN FWD GALLEY SERVICE ENTRY DOOR CUTOUT AFT LWR JAMB AREA CRACKED. MAJOR REPAIR ACCOMPLISHED: INSTALLED DOUBLER REPAIR.
Part: SKIN — DENTED (FUSELAGE) · airframe 33,415 hrs · 19,968 cycles
RIGHT EXT FUSELAGE STA 320, 1-2 INCHES ABOVE STR 18R, ABOUT 10 INCHES BELOW FWD GALLEY DOOR, A .093" DEEP 2" WIDE DENT. MAJOR REPAIR: PERMANENT DOUBLER REPAIR INSTALLED.
Part: FLAP — MALFUNCTIONED (WING) · airframe 59,559 hrs · 34,874 cycles
CREW COMMENTS: FLAPS STOPPED AT 27 DEGREES AND WOULD NOT MOVE MORE OR LESS. REPLACED FLAP INDICATOR UNIT. FLAP LOCKOUT OCCURRED BECAUSE THERE WAS A F LAP NEEDLE SPLIT, MOST LIKELY ENOUGH TO LOCK OUT FLAPS ASYMETRY.
Part: WIRE — SHORTED (RT MLG) · airframe 59,254 hrs · 34,690 cycles
RIGHT MAIN GEAR INDICATION FAULT. FOUND SHORTED WIRING IN THE INDICATION SYSTEM. FOUND UPPER LOCK SENSOR RED WIRE SHORTED- REPLACED BOTH UP LOCK AND DOWN LOCK INDICATION SENSORS. SWUNG GEAR- ALL INDICATIONS NORMAL.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 58,207 hrs · 34,031 cycles
EEL LAMP INOP ROW 15. REPLACED EEL LAMP.
Part: CABLE — FAULTY (CABIN) · airframe 58,207 hrs · 34,031 cycles
EEL LIGHTS INOP AFT OF ROW 16. CLEANED LIQUID FROM EEL TRACK. REPLACED RIBBON CABLE.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 58,207 hrs · 34,031 cycles
EMERGENCY SLIDE LIGHT INOP AT DOOR 1L. [SUP 4-17-07] RELAMPED.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 57,834 hrs · 33,820 cycles
ROW 16 ON BACK, EMERGENCY EXIT LIGHTS DON'T WORK. REPLACED POWER STRIP.
2006
Part: OIL SYSTEM — OBSTRUCTED (NR 1 ENGINE) · airframe 56,103 hrs · 32,759 cycles
NR 1 ENGINE SHUTDOWN DUE TO LOW OIL PRESSURE, LOW OIL QUANTITY AND HIGH OIL TEMPERATURE. THE CAUSE WAS A RED PROTECTION CAP HAD NOT BEEN REMOVED AND BECAME LODGED IN A SUCTION PORT OF THE SCAVENGE VALVE. SERVICED OIL AND REPLACED LUBRICATION UNIT.
Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHT) · airframe 55,492 hrs · 32,392 cycles
FOUND EEL LIGHTS FROM ROW 3-9 INOP.
Part: WIRE — DAMAGED (EMERGENCY LIGHT) · airframe 55,492 hrs · 32,392 cycles
EEL LIGHTS INOP FROM ROW 15 AFT TO AND INCLUDING EEL STRIP IN FRONT OF AFT GALLEY CART STOWAGE COMPARTMENT.
Part: POWER SUPPLY — INOPERATIVE (EMERGENCY EXIT) · airframe 55,492 hrs · 32,392 cycles
EMERGENCY EXIT SIGNS ABOVE LT OVERWING HATCH AND LOWER FWD CORNER OF LT OVERWING HATCH INOP.
Part: A/C PACK — INOPERATIVE (LEFT) · airframe 54,930 hrs · 32,049 cycles
LEFT PACK INOP. REMAINING PACK DELIVERING AIR AT 120 DEGREES AND COULD NOT BE COOLED. CONTROL CABIN DUCT OVERHEAT SWITCH FAILED. REPLACED SWITCH S11. NO FURTHER INCIDENT REPORTED.
2005
Part: WIRE — DAMAGED (EMERGENCY LIGHT) · airframe 54,689 hrs · 31,907 cycles
FIRST CLASS FLOOR EEL AND GALLEY STRIP EEL LIGHT IS INOP. REPLACED FEEDER CABLE.
Part: SKIN — CRACKED (BELOW DOOR 2L) · airframe 53,904 hrs · 31,451 cycles
DENT FWD AND BELOW DOOR 2L.
Part: PRESSURE PANEL — CRACKED (FUSELAGE) · airframe 52,868 hrs · 30,857 cycles
STA 664 PRESSURE DECK IS CRACKED AT APPROXIMATELY LBL 30. ACCOMPLISHED. INSTALLED DOUBLER REPAIR.
Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 52,868 hrs · 30,857 cycles
CORROSION ON FWD LT CABIN FLOORBEAM AT STA 294.5 LBL 37-53. ACCOMPLISHED. BLENDED OUT DAMAGE AND INSTALLED ANGLE/STRAP REPAIR.
2004
Part: TARGET — OUT OF ADJUST (CARGO DOOR) · airframe 50,408 hrs · 29,453 cycles
RETURNED TO THE FIELD DUE TO A CARGO DOOR INDICATION. ADJUSTED TARGET. THE TARGET CAN BE DAMAGED/MISALIGNED DURING THE BAG LOADING PROCESS. THIS IS THE TYPICAL CAUSE OF NOTED CONDITION.
2003
Part: SKIN — DENTED (CARGO DOOR) · airframe 49,193 hrs · 28,760 cycles
FWD CARGO PIT DOOR EXTERNAL SKIN, AFT LOWER QUADRANT-HAS NUMEROUS DENTS. MAJOR REPAIR ACCOMPLISHED, INSTALLED DOUBLER REPAIR.
2002
Part: WARNING LIGHT — ILLUMINATED (COCKPIT)
AFT CARGO LIGHT CAME ON JUST BEFORE V1. RETURN TO FIELD.
1998
Part: ANNUNCIATOR — FAILED (1L DOOR)
DOOR 1L LIGHT ILLUMINATED. *S/D* REPLACED DOOR WARNING ANNUCIATOR MODULE.
Part: MECHANISM — LACK OF LUBE (PAX DOOR)
CABIN DOOR WARNING LIGHT ILLUMINATED. *S/D* CHECKED OPERATION OF DOOR 1L. CLEANED AND LUBED LATCH ROLLERS AND OPERATING MECHANISMS, DOOR OP CHECKED GOOD.
1996
Part: STRIP — DAMAGED (CABIN)
EMERGENCY ESCAPE PATH LIGHTING INOP FROM ROW 13 TO THE AFT GALLEY. REPAIRED LIGHT STRIP AND TRIMMED CARPET, CHECKS OK.
Part: COUPLER — FAILED (E/E COMPT)
SEVERAL UNCOMMANDED RUDDER MOVEMENTS, DESCENDED TO LOWER ALTITUDE. *S/D* YAW COUPLER WAS REPLACED. SHOP FOUND YAW COUPLER RATE GYRO FAULTY, CHECKS OK.