# N4732U: Boeing 747-122, registration cancelled 1998-09-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 18, 1998
- Status when cancelled: Triennial form not returned
- Airframe: [Boeing 747-122](https://openairdocs.org/model/boeing-747-122) (registry code 1384872)
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (OpenAirDocs)
- Serial number: 19927
- Type of aircraft: Fixed wing multi engine
- Certificate issued: March 30, 1988
- Last registry action: September 16, 1998
- Mode S code: A5CEF0
- 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)
- Physical address: [Elk Grove Township, IL](https://openairdocs.org/faa-place/IL/Elk%20Grove%20Township)
- Owner type: Corporation
- Owner's area on the map: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4732U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4732U
- Page: https://openairdocs.org/deregistered/N4732U-1998-09-18

From the FAA registry file of November 3, 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 747-122: https://openairdocs.org/model/boeing-747-122.md

## Service difficulty reports (4)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 98UAL900077](https://openairdocs.org/sdr/98UAL900077), Feb 18, 1998: BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS AT 4 LEFT AND RIGHT ARE ON WHEN SWITCH IS ARMED. *S/D* PROBLEM WAS RESOLVED WHEN THE BATTERY PACK WAS REPLACED. PROBABLE CAUSE WAS DEGRADATION 
- [SDR 97UAL900357](https://openairdocs.org/sdr/97UAL900357), May 7, 1997: LIGHT. FAILED. EMERGENCY ESCAPE LIGHTING INOP ROWS 1 AND 2L. REPLACED EMERGENCY ESCAPE LIGHTING STRIPS ROWS 1 AND 2L, OPERATION CHECKS NORMAL.
- [SDR 96UAL900974](https://openairdocs.org/sdr/96UAL900974), Dec 26, 1996: SELECTOR VALVE. CRACKED. ON LANDING HYDRAULIC SYSTEM NR 1 QUANTITY WENT TO ZERO. PRESSURE LIGHT CAME ON FOR AIR PUMP AND ENGINE PUMP. TAXIED OFF RUNWAY AND WAS TOWED TO THE GATE DUE TO 
- [SDR 95UAL900251](https://openairdocs.org/sdr/95UAL900251), Nov 8, 1995: ACTUATOR. FAILED. NLG DOOR LIGHTS STAYED ON AFTER GEAR RETRACTION. ALSO, HAD AIR NOISE WHEN HANDLE WAS IN OFF POSITION. CYCLED GEAR AND LIGHTS WENT OUT. HOWEVER, NOISE RETURNED A

## FAA accident and incident reports (1)

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 19911204060599I](https://openairdocs.org/incident/19911204060599I), Dec 4, 1991: Boeing 747122 (N4732U), Chicago, IL, Minor damage. Aircraft taxiing into gate area under electronic guidance. Cowling struck protruding aerial part of vehicle.

## Other aircraft with N4732U

- [Cancelled 1964-08-24](https://openairdocs.org/deregistered/N4732U-1964-08-24): Cessna 180G, S/N 18051432. Exported to Canada. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

---
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.