# N175UA: 1990 Boeing 747-422, registration cancelled 2018-07-30 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: July 30, 2018 - Status when cancelled: Valid registration - Airframe: [Boeing 747-422](https://openairdocs.org/model/boeing-747-422) (registry code 1384935) - Engine: [Pratt & Whitney PW4000 series](https://openairdocs.org/engine/pratt-whitney-pw4000-series) (registry code 52119) - Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (OpenAirDocs) - Serial number: 24382 - Year built: 1990 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: August 16, 1990 - Certificate issued: February 24, 2006 - Last registry action: April 26, 2016 - Mode S code: A12D83 - Owner when cancelled: [U S Bank Trust Na Trustee](https://openairdocs.org/faa-owner/U%20S%20BANK%20TRUST%20NA%20TRUSTEE) - Location: [Boston, MA](https://openairdocs.org/faa-place/MA/Boston) - Owner type: Corporation - Owner's area on the map: 42.3582° N, 71.0519° W: Placed by OpenAirDocs at the center of ZIP code 02110, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N175UA - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=175UA - Page: https://openairdocs.org/deregistered/N175UA-2018-07-30 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 747-422: https://openairdocs.org/model/boeing-747-422.md ## Service difficulty reports (348, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR CALA2017081402691](https://openairdocs.org/sdr/CALA2017081402691), Aug 14, 2017: LIGHT. INOPERATIVE. EMERGENCY LIGHT AT SEAT 54H INOPERATIVE. REPLACED SEAT MOUNTED EMERGENCY LIGHT ASSY. OPS CHECK PASSED. - [SDR CALA2017081402690](https://openairdocs.org/sdr/CALA2017081402690), Aug 14, 2017: LIGHT. INOPERATIVE. EMERGENCY LIGHT AT SEAT 57C INOPERATIVE. REPLACED THE SEAT MOUNTED EMERGENCY LIGHT ASSY. OPS CHECK PASSED. - [SDR CALA2017081402689](https://openairdocs.org/sdr/CALA2017081402689), Aug 14, 2017: CONNECTOR. LOOSE. EMERGENCY LIGHT AT SEAT 47H INOPERATIVE. SECURED THE CONNECTOR. OPS CHECKED PASSED. - [SDR CALA2017060501693](https://openairdocs.org/sdr/CALA2017060501693), Jun 5, 2017: LAMP. INOPERATIVE. EMERGENCY LIGHT AT LAV 104, INOPERATIVE. REPLACED THE LAMP. OPS NORMAL. - [SDR CALA2017052601578](https://openairdocs.org/sdr/CALA2017052601578), May 26, 2017: OVEN. SMOKE. LAVATORIES 100 AND 101, SMOKE ALARMS SOUNDED MULTIPLE TIMES DURING FLIGHT. LAVATORIES ARE IN CLOSE PROXIMITY TO THE FIRST CLASS GALLEY, SUSPECT SMOKE WAS EMITTE - [SDR CALA2017051901497](https://openairdocs.org/sdr/CALA2017051901497), May 19, 2017: LIGHT. INOPERATIVE. OPERATIONAL TEST FOUND G5 LT EMER LIGHT INOP. REPLACED G5 L EMER LIGHT AND CABLE ASSY AND OPERATION TEST C/O FOUND NORMAL AS PER AMM 33-51-12-422-005-002 REV 87 - [SDR CALA2017050501271](https://openairdocs.org/sdr/CALA2017050501271), May 5, 2017: LIGHT. BROKEN. EEL LIGHT ON END BAY OF SEAT 42C BROKEN AND MISSING. REPLACED EEL LIGHT CKS GOOD INSPECTED SAFETY, SECURITY AND OPERATION CHKS GOOD. - [SDR CALA2017042801140](https://openairdocs.org/sdr/CALA2017042801140), Apr 28, 2017: CONTROL PANEL. FAULTY. ALTITUDE SELECTOR KNOB INOP. UNABLE TO CHANGE ALTITUDE FROM 3190 0. NON-RVSM COMPLIANT FOR FORIEGN AIRSPACE. REPLACED MCP REF IPC 22-11-02-01. MODE CONTROL PANE - [SDR CALA2017041400999](https://openairdocs.org/sdr/CALA2017041400999), Apr 14, 2017: LIGHT. INOPERATIVE. EMERGENCY EXIT LIGHTING ON END CAP AT SEAT 33C DOES NOT ILLUMINATE. REPLACED LIGHT STRIP OP CK OK REF AMM33-51-00 - [SDR CALA2017031000565](https://openairdocs.org/sdr/CALA2017031000565), Mar 10, 2017: POWER SUPPLY. INOPERATIVE. TWO EACH EXIT SIGNS AT UPPER DECK DOORS, ONE IN CENTER CEILING FORWARD AND ONE ABOVE THE R/H DOOR STAY ON WHEN EMERGENCY LIGHT SWITCH IS MOVED FROM ON TO ARMED. - [SDR CALA2017031000564](https://openairdocs.org/sdr/CALA2017031000564), Mar 10, 2017: LIGHT. INOPERATIVE. EMERGENCY LIGHTS, LT OUTSIDE SLIDE, TWO EACH BULBS IN EACH OF AFT TWO FIXTURES INOP. ALL BULBS CHECKED GOOD. REF WDM 33-51-42 PG 3 FOUND ALL EXTERIOR SLIDE LTS - [SDR CALA2017031000563](https://openairdocs.org/sdr/CALA2017031000563), Mar 10, 2017: LIGHT. INOPERATIVE. AISLE EMERGENCY LIGHT AT SEAT 47H INOP. RPL EMERGENCY LT AT SEAT ISLE 47H PER AMM 33-51-00/001. OP CHK NORMAL. - [SDR CALA2017031000562](https://openairdocs.org/sdr/CALA2017031000562), Mar 10, 2017: BATTERY. DISCHARGED. EMERGENCY LIGHT IN CEILING OF UPPER DECK, JUST AFT OF THE AFT EMERGENCY EXIT SIGN AT THE TOP OF THE STAIRS MOMENTARILY GOES ON THEN GOES OFF AFTER EMERGENCY LIG - [SDR CALA2016091900658](https://openairdocs.org/sdr/CALA2016091900658), Sep 19, 2016: CHARGER. INOPERATIVE. EMERGENCY LIGHTS INOPERATIVE, UPPER DECK AFT CEILING AND FLOOR. REPLACED THE LAMPS. REPLACED THE BATTERY AND CHARGER ABOVE SEAT 16AB, REPLACED THE BATTERY IN TH - [SDR CALA2016060195420](https://openairdocs.org/sdr/CALA2016060195420), May 27, 2016: LIGHT. INOPERATIVE. UPPER DECK FWD EMERGENCY EXIT LIGHT INOPERATIVE. REPAIRED THE EMERGENCY LIGHT - [SDR CALA2016052795419](https://openairdocs.org/sdr/CALA2016052795419), May 27, 2016: LIGHT. MISSING. PER A CHECK, SEAT 19HJK, EMER EXIT LIGHT STRIP MISSING. REPLACED EMER EXIT LIGHT STRIP AT SEAT 19HJK. OPERATIONS CHECKED OK. - [SDR CALA2016052795418](https://openairdocs.org/sdr/CALA2016052795418), May 27, 2016: CONNECTOR. DISCONNECTED. PER A CHECK, SEAT 49HJK EMER EXIT LIGHT STRIP INOPERATIVE. FOUND CONNECTOR ON EMER EXIT LIGHT STRIP DISCONNECTED UNDER SEAT AT 49HJK, SECURE. OPERATIONS CHECKED - [SDR CALA2016052795417](https://openairdocs.org/sdr/CALA2016052795417), May 27, 2016: CONNECTOR. LOOSE. PER A CHECK, SEAT 45ABC EMER EXIT LIGHT STRIP INOPERATIVE. FOUND LOOSE CONNECTOR ON EMER EXIT LIGHT STRIP UNDER SEAT 45ABC. OPERATIONS CHECKED OK. - [SDR CALA2016052795416](https://openairdocs.org/sdr/CALA2016052795416), May 27, 2016: LIGHT. INOPERATIVE. PER A CHECK, DOOR 1L SLIDE LIGHT INOPERATIVE. REPLACED SLIDE LIGHT ASSEMBLY AT DOOR 1L. OPERATIONS CHECKED OK. - [SDR CALA2016041895275](https://openairdocs.org/sdr/CALA2016041895275), Apr 13, 2016: LIGHT. INOPERATIVE. DOOR 2 RT CTR GALLEY FLOOR, SINGLE EMER EXIT LIGHT INOPERATIVE. RELAMPED, OPERATIONS CHECKED OK. - [SDR CALA2016030395203](https://openairdocs.org/sdr/CALA2016030395203), Mar 1, 2016: SKIN. CORRODED. EXTERNAL FUSELAGE BELLY SKIN AT BS 770 FOUND CORRODED, BETWEEN STRINGER 46R - 47R. REMOVED DAMAGE, FABRICATED & INSTALLED EXTERNAL DOUBLER REPAIR IAW ECRA 5330- - [SDR CALA2016022995195](https://openairdocs.org/sdr/CALA2016022995195), Feb 28, 2016: DOUBLER. CRACKED. NUMBER 1 ENG RT 452ER CUT OUT SURROUND SKIN FOUND REPAIR DOUBLER CRACKED AT NAC 228. REPAIRED IAW ECRA 5430-02069. - [SDR CALA2016022995194](https://openairdocs.org/sdr/CALA2016022995194), Feb 28, 2016: SUPPORT. CRACKED. BS 2598, LT FRAME SUPPORT, 65B02508-3 WAS FOUND CRACKED FROM A FASTENER HOLE. CRACK EXISTS IN FRAME SUPPORT ONLY. REMOVE CRACK & FABRICATED & INSTALLED DOUBLERS - [SDR CALA2016022995193](https://openairdocs.org/sdr/CALA2016022995193), Feb 28, 2016: SKIN. DAMAGED. PITTING ON FUSELAGE EXTERNAL BELLY SKIN AT BS 740 - 840, STRINGER 44L - 44R. REPAIRED IAW ECRA 5330-05547. - [SDR CALA2016022995192](https://openairdocs.org/sdr/CALA2016022995192), Feb 28, 2016: SKIN. CORRODED. CORROSION ON FWD CARGO STATION 822, STRINGER 47L - 47R, INTERIOR SKIN. REPAIRED IAW ECRA 5330-0554 7. - [SDR CALA2016021995117](https://openairdocs.org/sdr/CALA2016021995117), Feb 19, 2016: WIRE. BROKEN. LEFT NR 3 DOOR LAVATORY, EMER LIGHT CABLE IS BROKEN. WIRE IS PART OF LIGHT ASSEMBLY PN 8054-1. REPLACED LIGHT ASSEMBLY PN 8054-1 IAW AMM 33-31-12. - [SDR CALA2016021995116](https://openairdocs.org/sdr/CALA2016021995116), Feb 19, 2016: WIRE. BROKEN. UPPER DECK STAIR EMER LIGHT CABLE BROKEN. INSTALLED NEW WIRE, PN 5919-1, IAW SWPM 20-10-11, AMM 33-51-00 & AMM 33-51-12. - [SDR CALA2016020995098](https://openairdocs.org/sdr/CALA2016020995098), Feb 7, 2016: DOOR SILL. CRACKED. MAIN DECK L1 MED, UPPER SILL WEB STATION 460, FOUND CRACK, AD 2012-22 -03. REPAIRED IAW ECRA 5310-06747. - [SDR CALA2016020995097](https://openairdocs.org/sdr/CALA2016020995097), Feb 7, 2016: DOOR SILL. CRACKED. MAIN DECK RT NR 1 MED, UPPER SILL WEB STATION 460, FOUND CRACK, AD 201 2-22-03. REPAIRED AC IAW ECRA 5310-06747. - [SDR CALA2015121494893](https://openairdocs.org/sdr/CALA2015121494893), Dec 12, 2015: CONNECTOR. DISCONNECTED. SEAT 50C EMER EXIT LIGHT INOPERATIVE. FOUND THE CONNECTOR DISCONNECTED. CONNECTED & SECURED. OPERATIONS CHECKED OK. - [SDR CALA2015121494892](https://openairdocs.org/sdr/CALA2015121494892), Dec 12, 2015: CONNECTOR. DISCONNECTED. SEAT 19H, EMER EXIT LIGHT INOPERATIVE. FOUND THE CONNECTOR DISCONNECTED. CONNECTED & SECURED. OPERATIONS CHECKED OK. - [SDR CALA2015091894374](https://openairdocs.org/sdr/CALA2015091894374), Sep 17, 2015: CONNECTOR. UNSECURE. SEAT 40H EMERGENCY EXIT LIGHT INOPERATIVE. SECURED LIGHT ASSEMBLY CONNECTOR. OPERATIONS CHECKED OK. - [SDR CALA2015050693663](https://openairdocs.org/sdr/CALA2015050693663), May 5, 2015: CONNECTOR. LOOSE. EMERGENCY PATH LIGHT AT SEAT ROW 25H INOPERATIVE. SECURED LOOSE CONNECTOR AT ROW 25H. PERFORMED OPERATIONAL CHECK IAW AMM 33-51-00. - [SDR CALA2015032093450](https://openairdocs.org/sdr/CALA2015032093450), Mar 19, 2015: BATTERY. DISCHARGED. UPPER DECK AFT OVERHEAD EXIT LIGHT INOPERATIVE. REPLACED THE BATTERY & POWER SUPPLY. PERFORMED INSTALLATION TEST IAW AMM 33-51-04 REV 172. - [SDR CALA2014102192539](https://openairdocs.org/sdr/CALA2014102192539), Oct 18, 2014: LIGHT. INOPERATIVE. CABIN DR 5 CREW REST AISLE EMER LIGHT NEAR ENTRY LIGHT FOUND INOPERATIVE. REPLACED & ASSEMBLY TEST CARRIED OUT NORMAL IAW AMM 33-51-07. - [SDR CALA2014102192531](https://openairdocs.org/sdr/CALA2014102192531), Oct 16, 2014: LIGHT. INOPERATIVE. CABIN MAIN DECK TO UPPER DECK STAIRWAY OVERHEAD EMER LIGHTS INOPERATIVE. REPLACED TWO EACH LIGHT ASSEMBLIES PN S1356B37. - [SDR CALA2014102192530](https://openairdocs.org/sdr/CALA2014102192530), Oct 16, 2014: LIGHT. INOPERATIVE. UPPER DECK CEILING MOUNTED EMER LIGHTS INOPERATIVE AT TOP OF STAIRWAY & FLIGHT ATTENDANT SEAT. REPLACED LIGHT ASSEMBLIES PN S1356B37 CHANGE IAW AMM 33-51-07. - [SDR CALA2014081591993](https://openairdocs.org/sdr/CALA2014081591993), Aug 15, 2014: WIRE. BROKEN. EMERGENCY ESC LIGHTING INOPERATIVE AT SEAT ROWS 23, 24, 25 & 33 ABC. FOUND BROKEN WIRE AT SEAT 24ABC CONNECTOR. REPAIRED IAW SWPM 20-64-17. OPERATIONS TESTED OK - [SDR CALA2013121393666](https://openairdocs.org/sdr/CALA2013121393666), Dec 13, 2013: LIGHT. UNSECURE. EMERGENCY STRIP LIGHTING AT 1R HANGING OFF THE WALL. SECURED EMERGENCY LIGHT ASSEMBLY AT 1R ALL, OPERATIONS NOW NORMAL. - [SDR CALA2013111592950](https://openairdocs.org/sdr/CALA2013111592950), Nov 13, 2013: BATTERY PACK. DISCHARGED. AISLE EMERGENCY EXIT SIGN ATTACHED TO MONITOR INOPERATIVE AT DOOR 3 RT. ORDERED CHARGER 563-1046 & BATTERY PACK 563-1188. OVERHEAD PANEL BY 3 RT IS OPENED UP FO - [SDR CALA2013111392901](https://openairdocs.org/sdr/CALA2013111392901), Nov 10, 2013: LIGHT. LOOSE. EXIT LIGHT STRIP AT SEAT 58B TORN & LOOSE. SECURED TO SEAT, OPERATIONS CHECKED GOOD. - [SDR CALA2013102892442](https://openairdocs.org/sdr/CALA2013102892442), Oct 25, 2013: RELAY. FAILED. LAVATORY GALLEY FANS EICAS STATUS MESSAGE DISPLAYED. BOTH LAVATORY GALLEY VENT FANS FAILED OR INTERFACE FAIL, AFTER TOP OF CLIMB F340. REPLACED RELAY R8671 IAW - [SDR CALA2013102492367](https://openairdocs.org/sdr/CALA2013102492367), Oct 24, 2013: SATCOM. MALFUNCTIONED. 'SATCOM HIGH GAIN' EICAS STATUS MESSAGE DISPLAYED. SATCOM HIGH GAIN ANTENNAE SUBSYSTEM FAILURE. DEFERRED IAW SAMC. SATCOM SYSTEM EICAS MESSAGE DISPLAYED, SATCOM - [SDR CALA2013102392327](https://openairdocs.org/sdr/CALA2013102392327), Oct 22, 2013: BALLAST. FAULTY. ON CM CHECK FOUND SEAT 6K FWD SIDEWALL LIGHT NOT ILLUMINATED. REPLACED BALLAST AT SEAT 6K, OPERATIONS CHECKED OKAY. - [SDR CALA2013102292280](https://openairdocs.org/sdr/CALA2013102292280), Oct 21, 2013: STRUCTURE. TORN. CM CHECKED GALLEY 420 FLOOR EXTRUSION LT TORN. REPLACED EXTRUSION OKAY. - [SDR CALA2013101592059](https://openairdocs.org/sdr/CALA2013101592059), Oct 14, 2013: LIGHT. INOPERATIVE. MID GALLEY, RT SMALL INCANDESCENT LAMP INOPERATIVE. REPLACED LIGHT ASSEMBLY. OPERATIONS CHECKED OKAY. - [SDR CALA2013092491399](https://openairdocs.org/sdr/CALA2013092491399), Sep 20, 2013: LIGHT. MISSING. 24H SEAT MOUNTED EMERGENCY EXIT LIGHT MISSING. REPLACED SEAT MOUNTED EMERGENCY EXIT LIGHT AT 24H IAW MM, OPERATIONS CHECKED OKAY. - [SDR CALA2013082190637](https://openairdocs.org/sdr/CALA2013082190637), Aug 20, 2013: ISOLATION VALVE. FAULTY. APU BLEED VALVE WILL NOT OPEN. REPLACED APU BLEED ISOLATION VALVE PER MM. CHECKED OKAY. - [SDR UALA2013060503896](https://openairdocs.org/sdr/UALA2013060503896), Jun 4, 2013: ROLLER. CRACKED. RAMP REPORTED THAT A CRACK AROUND ROLLER SHAFT ON VERTICAL SECTION OF ROLLER TRAY. LOCATION ZONE V IN AFT CARGO PIT, STA 1800, RBL 5.5. THE CRACK IS 1 SIDE ONLY - [SDR UALA2013041902722](https://openairdocs.org/sdr/UALA2013041902722), Apr 18, 2013: AMPLIFIER. FAILED. CREW REPORTED SATCOM HIGH AND LOW GAIN ARE BOTH INOPERATIVE. NO DATALINK AND NO VOICE AVAILABLE. REPLACED THE HIGH POWER AMPLIFIER PER AMM. ACCOMPLISHED SATCOM All 348: https://openairdocs.org/deregistered/N175UA-2018-07-30/reports.md ## NTSB investigations (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB CHI03IA097](https://openairdocs.org/ntsb/CHI03IA097), Apr 1, 2003: Boeing 747-422 (N175UA), Chicago, IL, incident, no damage. Probable cause: Failure of company maintenance personnel to fully comply with published maintenance/inspection procedures, as well as the resulting inoperative drain heaters and restricted movement of the aileron… - [NTSB CHI97LA292](https://openairdocs.org/ntsb/CHI97LA292), Sep 14, 1997: Boeing 747-422 (N175UA), Grand Forks, ND, no damage. Probable cause: The flight attendant's seat belt was not secured. A factor was turbulence in the clouds. ## FAA accident and incident reports (2) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20030401005799I](https://openairdocs.org/incident/20030401005799I), Apr 1, 2003: Boeing 747422 (N175UA), Chicago, IL. (-23) On April 1, 2003, aircraft N175UA, operating as ua flt 896-1 hkg to ord declared an emergency on descent and approach into ord due to a restriction in… - [Accident 19970914037249A](https://openairdocs.org/incident/19970914037249A), Sep 14, 1997: Boeing 747422 (N175UA), Grand Forks, ND. Encountered severe turbulence near a thunderstorm. Passebgers and flight attendant injured. (.4) on September 14, 1997, at 1424 central daylight time, a Boeing… ## Other aircraft with N175UA - [Cancelled 2024-04-30](https://openairdocs.org/deregistered/N175UA-2024-04-30): Beech 200T, S/N BT-3, built 1977. Owner: [Alliance Air Parts Inc](https://openairdocs.org/faa-owner/ALLIANCE%20AIR%20PARTS%20INC), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City) --- 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.