# N9011U: Boeing 737-222, registration cancelled 1999-01-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 19, 1999
- Status when cancelled: Triennial form not returned
- Airframe: [Boeing 737-222](https://openairdocs.org/model/boeing-737-222) (registry code 1384473)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (OpenAirDocs)
- Serial number: 19049
- Type of aircraft: Fixed wing multi engine
- Certificate issued: October 8, 1969
- Last registry action: September 16, 1998
- Mode S code: AC7571
- 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: 41.8500° 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/N9011U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9011U
- Page: https://openairdocs.org/deregistered/N9011U-1999-01-19

From the FAA registry file of November 5, 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 737-222: https://openairdocs.org/model/boeing-737-222.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 96UAL900972](https://openairdocs.org/sdr/96UAL900972), Dec 24, 1996: AIR GROUND SEN. MALFUNCTIONED. REVERSER ARMED LIGHT ILLUMINATED INFLIGHT WITH LANDING GEAR UP. *S/D* REPLACED EAU AND ADJUSTED NOSE AIR-GROUND SENSOR RAMP. NOSE AIR-GROUND SWITCH ADJUSTMENT C
- [SDR 96UAL901006](https://openairdocs.org/sdr/96UAL901006), Dec 15, 1996: PRESSURE WEB. CRACKED. FUSELAGE COULD NOT BE PRESSURIZED. GLASS FABRIC/PLASTIC/PHENOLIC RESIN PRESSURE WEB CRACKED APPROXIMATELY 16 INCHES. WEB IS LOCATED IN THE MLG CEILING FWD LT O/
- [SDR 96UAL900522](https://openairdocs.org/sdr/96UAL900522), Jul 11, 1996: BATTERY. DISCHARGED. LEFT OVERWING EMERGENCY EXIT LIGHT INOP. *S/D* REPLACED BATTERY IN OVERWING EMERGENCY LIGHT, CHECKS OK.
- [SDR 95UAL900000](https://openairdocs.org/sdr/95UAL900000), Jun 16, 1995: OIL PRESS SW. MALFUNCTIONED. A/C RETURNED TO ICT, WITH NR 2 OIL BYPASS LIGHT ON AND ENGINE POWER REDUCED TO IDLE. REPLACED OIL PRESSURE DIFFERENTIAL SWITCH.

## NTSB investigations (1)

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 DIA69A0008](https://openairdocs.org/ntsb/DIA69A0008), Aug 10, 1968: Boeing 737 (N9011U), Herndon, VA, no damage

## 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 19891105058019I](https://openairdocs.org/incident/19891105058019I), Nov 5, 1989: Boeing 737222 (N9011U), Rochester, NY. Aircraft landed with NR1 hydraulic system inoperative. Replaced hydraulic pump and filter.

## Other aircraft with N9011U

- [Registered now](https://openairdocs.org/aircraft/N9011U): National Ballooning 858, S/N 152

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