# Learjet Inc: FAA repair station KW3R646L

- Type: FAA-certificated repair station (14 CFR Part 145)
- Certificate number: KW3R646L
- Designator: KW3R
- Name on the FAA list: LEARJET INC
- Trade names: Bombardier Aircraft Services
- Address: 1255 EAST AERO PARK BLVD, TUCSON, AZ 85756
- Accountable manager: BLUM, CHARLES G
- Liaison: RUTHRUFF, JAMES, (520) 746-5523, james.ruthruff@aero.bombardier.com
- Bilateral agreements: EASA, United Kingdom
- On the FAA list: On the list of October 26, 2026; listed since October 26, 2026 or earlier (OpenAirDocs’ first copy)
- Service difficulty reports filed: 8
- Source: FAA Find a Facility dashboard, https://www.faa.gov/av-info/facility-dashboard
- Page: https://openairdocs.org/faa-repair-station/KW3R646L/learjet-inc

The FAA writes names in capitals; the mixed case here is OpenAirDocs'. The dashboard has no certificate dates, and nothing on it shows whether a certificate is in good standing.

## Ratings

- Airframe: Limited
- Powerplant: Limited
- Radio: Limited
- Instrument: Limited
- Accessory: Limited

A Limited class covers only the makes and models in the station's operations specifications (14 CFR 145.61), which the FAA doesn't publish.

## Service difficulty reports (8)

Filed under designator KW3R by a repair station (submitter type B).

- [SDR KW3R20200607240](https://openairdocs.org/sdr/KW3R20200607240), Jun 7, 2020: Lear 45LEAR. MUFFLER. RUPTURED. ON CLIMB-OUT, ENROUTE, CREW HEARD A POPPING SOUND FROM THE LEFT SIDE OF THE AIRCRAFT AS THE AIRCRAFT PASSED FL320. NO AI (N340SR)
- [SDR KW3R2019042233592](https://openairdocs.org/sdr/KW3R2019042233592), Apr 17, 2019: Bombdr BD7001A10. STEERING UNIT. LEAKING. RIGHT HAND NOSE STEERING ACTUATOR IS LEAKING AT THE SHAFT SEAL. (N65WL)
- [SDR KW3R2019012520014](https://openairdocs.org/sdr/KW3R2019012520014), Jan 23, 2019: Bombdr BD7001A10. RESERVOIR. BLEW OUT. NR 3 SYSTEM HYDRAULIC FAILURE. FOUND FLUID LEAKING FROM THE SIGHT GAGE INDICATOR ON THE NR 3 HYDRAULIC RESERVOIR. (N540CH)
- [SDR KW3R2018081033592](https://openairdocs.org/sdr/KW3R2018081033592), Aug 9, 2018: Bombdr BD7001A11. HYDRAULIC LINE. CRACKED. NR 3 HYDRAULIC SYSTEM FAILURE. FOUND HYDRAULIC TUBE ASSEMBLY CRACKED AD SWAGED FITTING AT NR 3 SYSTEM HYDRAULIC MANIFOLD (N9578)
- [SDR KW3R2014032617085](https://openairdocs.org/sdr/KW3R2014032617085), Mar 26, 2014: Cndair CL6002B16. WINDSHIELD. CRACKED. DURING APPROACH, LT WINDSHIELD CRACKED, CREW PERFORMED ABNORMAL PROCEDURES AND LANDED WITH NO FUTHER PROBLEMS. (N156RC)
- [SDR LK2R2014012801](https://openairdocs.org/sdr/LK2R2014012801), Jan 28, 2014: Lear 45LEAR. WIRE HARNESS. DAMAGED. NOSE WHEEL STEERING IS INTERMITTENT. REPAIRED WIRE HARNESS. (N354K)
- [SDR 99ZZZX1380](https://openairdocs.org/sdr/99ZZZX1380), Mar 16, 1999: Lear 60LEAR. PILLER ASSY. CRACKED. AIRCRAFT ABORTED FLIGHT DUE TO RT MAIN GEAR UNSAFE LIGHT ILLUMINATED. INSPECTED LANDING GEAR AND FOUND THE RT MAIN GEAR  (N50776)
- [SDR 99ZZZX249](https://openairdocs.org/sdr/99ZZZX249), Dec 10, 1998: Cndair CL6002A12. SHAFT. CORRODED. SHAFT CENTER WAS CORRODED BEYOND USABLE LIMITS. (N125PS)

## Other certificates of this company (3)

- [LK2R981K](https://openairdocs.org/faa-repair-station/LK2R981K/learjet-inc): Learjet Inc, Wichita, KS
- [LN4R342M](https://openairdocs.org/faa-repair-station/LN4R342M/learjet-inc): Learjet Inc, Opa Locka, FL
- [SH5R197N](https://openairdocs.org/faa-repair-station/SH5R197N/learjet-inc): Learjet Inc, Windsor Locks, CT

## STCs held under this name

STC holders whose name matches the station's, matched by OpenAirDocs; a shared name can be another company.

- Learjet Inc (OpenAirDocs): 538 STCs, https://openairdocs.org/search?q=Learjet%20Inc&type=stc
- Learjet Inc. (OpenAirDocs): 376 STCs, https://openairdocs.org/search?q=Learjet%20Inc.&type=stc
- Learjet Corporation (OpenAirDocs): 2 STCs, https://openairdocs.org/search?q=Learjet%20Corporation&type=stc
- Learjet, Inc (OpenAirDocs): 1 STC, https://openairdocs.org/search?q=Learjet%2C%20Inc&type=stc

## Aircraft registered to this name

Registry owners whose name matches the station's, matched by OpenAirDocs; a shared name can be another company.

- [LEARJET INC](https://openairdocs.org/faa-owner/LEARJET%20INC.md) (OpenAirDocs): 6 registered aircraft

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