# N910UA: 1991 Boeing 737-522, registration cancelled 2013-03-18 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: March 18, 2013 - Status when cancelled: Valid registration - Airframe: [Boeing 737-522](https://openairdocs.org/model/boeing-737-522) (registry code 138449F) - Engine: [CFM International CFM56 series](https://openairdocs.org/engine/cfm-international-cfm56-series) (registry code 13802) - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (OpenAirDocs) - Serial number: 25254 - Year built: 1991 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: June 26, 1991 - Certificate issued: June 26, 1991 - Last registry action: July 27, 2011 - Mode S code: AC986E - Owner when cancelled: [United Air Lines Inc](https://openairdocs.org/faa-owner/UNITED%20AIR%20LINES%20INC) - Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago) - Owner type: Corporation - Owner's area on the map: 41.8852° N, 87.6215° W: Placed by OpenAirDocs at the center of ZIP code 60601, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N910UA - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=910UA - Page: https://openairdocs.org/deregistered/N910UA-2013-03-18 From the FAA registry file of November 12, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe. ADs and bulletins for the Boeing 737-522: https://openairdocs.org/model/boeing-737-522.md ## Service difficulty reports (32) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 2008UALA03189](https://openairdocs.org/sdr/2008UALA03189), Jun 4, 2008: UNKNOWN. UNKNOWN. AIRCRAFT PULLS TO LEFT. - [SDR 2008UALA02848](https://openairdocs.org/sdr/2008UALA02848), May 17, 2008: DOOR FRAME. DAMAGED. FWD CARGO PIT DOOR CUTOUT FWD FRAME HAS DAMAGE UNDER LOWER STOP FITTING. MAJOR REPAIR ACCOMPLISHED: REPLACED FRAME. - [SDR 2008UALA02839](https://openairdocs.org/sdr/2008UALA02839), May 16, 2008: CREASE BEAM. UNKNOWN. FUSELAGE STR 17R CREASE BEAM NEEDS CUT AT BS 400. MAJOR REPAIR ACCOMPLISHED, FABRICATED REPAIR ANGLES AND INSTALLED NESTED ANGLE DOUBLER/TRIPLER REPAIR. - [SDR 2008UALA02827](https://openairdocs.org/sdr/2008UALA02827), May 15, 2008: SLIDE. OUT OF POSITION. FWD GALLEY DOOR 1R SLIDE PACK GIRT NEEDS REPACK - GIRT DRAGGING ON FLOOR AND DOOR FRAME WHEN DOOR IS OPERATED. SUSPECT SLIDE IMPROPERLY INSTALLED. REPOSITIONED - [SDR 2008UALA02826](https://openairdocs.org/sdr/2008UALA02826), May 15, 2008: SLIDE. CRACKED. FWD ENTRY DOOR FWD SLIDE COVER CRACKED AT GIRT BAR HANGER. FOUND MAIN ENTRY DOOR SLIDE DAMAGED. REPLACED SLIDE ASSEMBLY IAW MM 25-61-35. AC OK FOR SERVICE. - [SDR 2008UALA02800](https://openairdocs.org/sdr/2008UALA02800), May 14, 2008: BATTERY. DISCHARGED. MID CABIN EMERGENCY LIGHTING INOPERATIVE. REPLACED BATTERY AND OP CHK'D GOOD. - [SDR 2008UALA01269](https://openairdocs.org/sdr/2008UALA01269), Mar 7, 2008: SKIN. CRACKED. DOOR 2R HAS TWO INCH CRACK IN FUSELAGE SKIN AT LOWER FWD CORNER. MAJOR REPAIR ACCOMPLISHED: MANUFACTURED & INSTALLED FILLER, DOUBLER NR 1, DOUBLER NR 2 AND TRIP - [SDR 2007UALA03124](https://openairdocs.org/sdr/2007UALA03124), Aug 12, 2007: REPAIR. MISSING. NR 4 SLAT HAS EXPOSED HONEYCOMB FROM A MISSING REPAIR, 5 INCHES BY 5.5 INCHES AT INBOARD TRAILING EDGE. - [SDR 2007UALA02807](https://openairdocs.org/sdr/2007UALA02807), Jul 24, 2007: WIRE. DAMAGED. CENTER FQI INOP, NR 2 ENG FUEL FLOW INDICATOR INOP. FOUND CENTER CONDUCTOR WIRE PULLED OUT OF D800 IN COCKPIT. CONNECTOR REPLACED AND CTR TANK DCTU CALIBRATED. - [SDR 2007UALA02420](https://openairdocs.org/sdr/2007UALA02420), Jul 5, 2007: LIGHT. INOPERATIVE. AIRCRAFT FAILS STANDBY POWER TEST. STANDBY POWER LIGHT DOES NOT ILLUMINATE WHEN STANDBY POWER IS TURNED OFF, AC POWER REMAINS ON. [07-27-07] FAULTY STANDBY POWE - [SDR 2007UALA01102](https://openairdocs.org/sdr/2007UALA01102), Apr 9, 2007: CONTROL PANEL. FAILED. RTFL DUE TO MODE CONTROL PANEL FAILURE. [SUP 5-1-07] FOUND FAILED MODE CONTROL PANEL. REPLACED FLIGHT CONTROL COMPUTER. SHOP FOUND A "CHECK SUM ERROR" IN COMPUT - [SDR 2007UALA00833](https://openairdocs.org/sdr/2007UALA00833), Mar 17, 2007: GIRT BAR. FAULTY. DOOR 1L EVAC SLIDE GIRT MATERIAL HANGING LOOSE FROM CONTAINER. SECURED AND STOWED BOTTOM PORTION OF SLIDE. INSPECTION ACCOMPLISHED. - [SDR 2007UALA00607](https://openairdocs.org/sdr/2007UALA00607), Feb 27, 2007: ANGLE. CRACKED. BS 302 FWD SIDE OF FWD ENTRY FUSELAGE FRAME JUST ABOVE STR 10L INTERCOSTAL ANGLE CRACKED AT OUTBOARD AFT END. 21 MARCH 07,SUPPLEMENTAL DATA UPDATE MAJOR REPAIR: - [SDR 2007UALA00599](https://openairdocs.org/sdr/2007UALA00599), Feb 26, 2007: ATTACH ANGLE. CRACKED. BS 348 STR 15L AFT OF FWD ENTRY FUSELAGE FRAME, FRAME TO INTERCOSTAL ATTACH ANGLE CRACK, ACCESS THRU LIGHTENING HOLE BELOW STR 15L. 21 MARCH 07, SUPPLEMENTAL DA - [SDR 2007UALA00598](https://openairdocs.org/sdr/2007UALA00598), Feb 26, 2007: INTERCOSTAL. CRACKED. BS 294, STR-7L, FWD SIDE OF FWD ENTRY DOOR, INTERCOSTAL CRACK AT FWD INBOARD RADIUS. 21 MARCH 07, SUPPLEMENTAL DATA UPDATE MAJOR REPAIR: REPLACED INTERCOSTAL. - [SDR 2007UALA00433](https://openairdocs.org/sdr/2007UALA00433), Feb 12, 2007: FASTENER. LOOSE. VELCRO LOOSE 2R SLIDE. UNDETERMINED CAUSE. SECURED VELCRO. - [SDR 2006UALA02367](https://openairdocs.org/sdr/2006UALA02367), Dec 12, 2006: DOOR FRAME. CRACKED. FORWARD CARGO DOOR CUTOUT AFT FRAME CRACKED IN THREE LOCATIONS NEAR AT LWR DOOR STOP FITTING NEAR STR S-24R. MAJOR REPAIR: REMOVED DAMAGE. FABRICATED AND INSTAL - [SDR 2006UALA02342](https://openairdocs.org/sdr/2006UALA02342), Dec 9, 2006: INTERCOSTAL. CRACKED. UPPER FUSELAGE STA 294.5 INTERCOSTALS CRACKED IN THE FOLLOWING STRINGER LOCATIONS, STR 12L, STR 11L AND STR 8L. MAJOR REPAIR ACCOMPLISHED: FABRICATED AND INSTAL - [SDR 2005UALA00555](https://openairdocs.org/sdr/2005UALA00555), Jun 12, 2005: STRUCTURE. DENTED. NR 2 ENGINE INLET COWL DENTED AT APPROXIMATELY 4 O`CLOCK. DENT IS OUT OF LIMITS. INSTALLED REPAIR PER SRM 54-10-01 FIG 203 DET II. - [SDR 2005UALA00530](https://openairdocs.org/sdr/2005UALA00530), Jun 7, 2005: FRAME. CRACKED. BODY STATION 663 FRAME IS CRACKED AT STRINGER CUTOUTS 1R, 2R AND 3R. CRACKS ARE ON LT SIDE OF STRINGERS IN RADIUS NEAR FUSELAGE SIDE OF FRAME. INSTALLED DOUBLER - [SDR 2005UALA00508](https://openairdocs.org/sdr/2005UALA00508), Jun 3, 2005: SKIN. DAMAGED. FUSELAGE SKIN AT AFT CARGO DOOR CUTOUT AFT SIDE HAS HOLE IN FUSELAGE SKIN BUT NOT IN BEAR STRAP, MID WAY UP CUTOUT. DAMAGED REMOVED, INSTALLED DOUBLER AND TRIPL - [SDR 2005UALA00494](https://openairdocs.org/sdr/2005UALA00494), Jun 1, 2005: CREASE BEAM. CORRODED. CREASE BEAM AT DOOR 2R HAS CORROSION. REPLACED CREASE BEAM PER SRM 53-60-15 AND BOEING DRAWING 65-45855. - [SDR 2005UALA00488](https://openairdocs.org/sdr/2005UALA00488), May 30, 2005: SKIN. CRACKED. CRACKS FOUND AT BS 1006-1016 STR S6L. REPLACED TEMPORARY REPAIR AND INSTALLED PERMANENT DOUBLER REPAIR PER SRM 53-60-01 FIG 205. - [SDR 2003UALA00315](https://openairdocs.org/sdr/2003UALA00315), Mar 21, 2003: INDICATOR. MALFUNCTIONED. AIRCRAFT RETURNED TO FIELD UNDER AMBER ALERT DUE TO SPLIT FLAP INDICATION. REPLACED FLAP POSITION INDICATOR. INSTALLATION AND TESTS NORMAL. REMOVED INDICATOR SE - [SDR 2001UALA01326](https://openairdocs.org/sdr/2001UALA01326), Jul 7, 2001: FLOORBEAM. CORRODED. MAIN CABIN FLOORBEAM CORRODED AT BS 294, RBL 35 RBL 38. REPAIRED T-CAP. MAJOR REPAIR ACCOMPLISHED. - [SDR 2001UALA01325](https://openairdocs.org/sdr/2001UALA01325), Jul 7, 2001: FLOORBEAM. CORRODED. FLOORBEAM T-CAP CORRODED AT BS 986.5, RBL 22.5- RBL 31. REPAIRED FLOORBEAM. MAJOR REPAIR ACCOMPLISHED. - [SDR 2001UALA01331](https://openairdocs.org/sdr/2001UALA01331), Jul 6, 2001: BULKHEAD. CRACKED. VERTICAL BEAM WEB CRACKED AT PULLEY CUTOUT LOWER CORNER, AT BS 178, RBL 5.7, WL 181. REPLACED LOWER WEB. MAJOR REPAIR ACCOMPLISHED. - [SDR 2001UALA01269](https://openairdocs.org/sdr/2001UALA01269), Jul 2, 2001: FLOOR SUPPORT. CORRODED. FLOOR SUPPORT IS CORRODED AT BS 947-BS 957, RBL 24.75. REPLACED FLOOR SUPPORT. MAJOR REPAIR ACCOMPLISHED. - [SDR 2001UALA01257](https://openairdocs.org/sdr/2001UALA01257), Jul 2, 2001: ANGLE. CORRODED. FLOOR ANGLE AT BASE OF DOOR IS CORRODED, AT BS 953, STR 17R. REPLACED ANGLE. MAJOR REPAIR ACCOMPLISHED. - [SDR 2001UALA01202](https://openairdocs.org/sdr/2001UALA01202), Jun 27, 2001: FRAME. CRACKED. OVERWING BODY FRAME INNER CHORD LEFTSIDE, CRACKED AT BOTTOM FASTENER, AT BS 616. REMOVED DAMAGE. INSTALLED FILLER AND ANGLE REPAIR. MAJOR REPAIR ACCOMPLISHED. - [SDR 98UAL900214](https://openairdocs.org/sdr/98UAL900214), May 24, 1998: SEAL. OUT OF ADJUST. A LOUD SQUEAL WAS HEARD AT DOOR 1L. *S/D* ADJUSTED THE LOWER HINGE INSIDE THE FLAP SEAL. PRESSURIZED THE AIRCRAFT, NO LEAKS OR SQUEAL DETECTED. - [SDR 97UAL900166](https://openairdocs.org/sdr/97UAL900166), Mar 2, 1997: POWER STRIP. FAILED. ONE EMERGENCY FLOOR LIGHT INOPERABLE IN THE FORWARD CABIN. REPLACED POWER STRIP. OPS CHECK GOOD. ## Other aircraft with N910UA - [Registered now](https://openairdocs.org/aircraft/N910UA): University Of Oklahoma COPTER SONDE 3, S/N CASS-0010 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.