# N7947Q: 1973 Cessna 402B, registration cancelled 2020-03-30 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: March 30, 2020 - Status when cancelled: Second renewal notice - Airframe: [Cessna 402B](https://openairdocs.org/model/cessna-402b) (registry code 207590P) - Engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040) - Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE), [TCDS E8CE](https://openairdocs.org/tcds/E8CE) (OpenAirDocs) - Serial number: 402B0397 - Year built: 1973 - Type of aircraft: Fixed wing multi engine - Engine type: Reciprocating - Airworthiness: Standard, normal - Airworthiness date: June 22, 1973 - Certificate issued: May 13, 1997 - Last registry action: January 20, 2017 - Mode S code: AACA3D - Owner when cancelled: [Western Airlines Lc](https://openairdocs.org/faa-owner/WESTERN%20AIRLINES%20LC) - Location: [Boise, ID](https://openairdocs.org/faa-place/ID/Boise) - Owner type: LLC - Owner's area on the map: 43.5548° N, 116.2214° W: Placed by OpenAirDocs at the center of ZIP code 83705, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N7947Q - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7947Q - Page: https://openairdocs.org/deregistered/N7947Q-2020-03-30 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 Cessna 402B: https://openairdocs.org/model/cessna-402b.md ## Service difficulty reports (9) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR K5SR201411181911](https://openairdocs.org/sdr/K5SR201411181911), Nov 15, 2014: ADAPTER. BROKEN. PILOT EXPERIENCED LT ENGINE FAILURE IN-FLIGHT DUE TO AN OIL LEAK. AFTER LANDING, INVESTIGATED OIL LEAK AND FOUND THAT THE OIL FILTER ADAPTER ASSEMBLY HAD CRACKE - [SDR QTV2011F00000](https://openairdocs.org/sdr/QTV2011F00000), Jan 13, 2011: GASKET. DISPLACED. ON A MX CK FLIGHT, AFTER CHANGING THE NR1 AND THE NR5 CYLINDERS, THE PILOT SAW SMOKE FROM THE LT ENG NACELLE. HE SECURED THE ENG AND RETURNED TO THE HANGAR. UPO - [SDR 2006F00014](https://openairdocs.org/sdr/2006F00014), Jan 18, 2006: SENSOR. FALSE INDICATION. OIL TEMP INDICATOR INDICATED FULL HOT READING ON INITIAL CLIMB. A/C RETURNED TO AIRPORT. OIL TEMP SENSOR WAS REPLACED AND AIRCRAFT WAS RETURNED TO SERVICE WITH - [SDR QTVA901U](https://openairdocs.org/sdr/QTVA901U), Sep 26, 2002: CONTROL CABLE. BROKEN. ON SHORT FINAL, HEARD A THUD IN FLOORBOARDS. JUST AFTER PUTTING GEAR DOWN. AIRCRAFT HAD A SLIGHT YAW AND ROLL AND LANDED UNEVENTFULLY. TAXIED IN, SELECTED FLAPS - [SDR 081620027947Q](https://openairdocs.org/sdr/081620027947Q), Aug 16, 2002: ESCAPE HATCH. SEPARATED. BETWEEN SLC & TWF PILOT REPORTED A LOUD BOOMING/STRIKING NOISE, AS IF HE HAD HIT A BIRD. UPON INVESTIGATION HE NOTICED THE ESCAPE HATCH WAS MISSING. HE NOTIFIED - [SDR QTV2001F00000](https://openairdocs.org/sdr/QTV2001F00000), Aug 14, 2001: CONTROL CABLE. BROKEN. ON SHORT FINAL THE CABLE BROKE AND THE LEFT FLAP RETRACTED WHICH CAUSED A SPLIT FLAP CONDITION. REPLACED CABLE . INSPECTED THE OTHER FLAP CABLES, NO DEFECTS NOT - [SDR 99ZZZX680](https://openairdocs.org/sdr/99ZZZX680), May 7, 1998: HINGE. CRACKED. HINGE ATTACHMENT DOUBLER CRACKED FOR UPPER RADIUS CORNER FORWARD AND DOWN. CRACK LENGTH, APPROXIMATELY 1.25 INCHES. - [SDR 98ZZZX1005](https://openairdocs.org/sdr/98ZZZX1005), Jan 19, 1998: TRUNNION. CRACKED. RETRACT ATTACH EAR CASTING BROKEN. SPACER P/N S133-4P32 AND BOLT P/N 464 P4-26 REPLACED WITH 1 'AN' 5 BOLT AND OVERTORQUED CAUSING UNDO STRESS TO CASTING. - [SDR 97ZZZX4329](https://openairdocs.org/sdr/97ZZZX4329), Aug 25, 1997: VALVE. FAILED. LEFT ENGINE WENT TO NORMALLY ASPIRATED, DUE TO LT TURBO VALVE FAILURE. ## 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 ANC19LA039](https://openairdocs.org/ntsb/ANC19LA039), Jul 22, 2019: Cessna 402 (N7947Q), Boise, ID, substantial damage. Probable cause: A ductile overstress fracture failure of the right main landing gear bell crank assembly pivot bolt, which resulted in a collapse of the right main landing gear. - [NTSB MKC84LA048](https://openairdocs.org/ntsb/MKC84LA048), Dec 29, 1983: Cessna 402B (N7947Q), Davenport, IA, substantial damage ## FAA accident and incident reports (8) 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. - [Accident 20190722012409A](https://openairdocs.org/incident/20190722012409A), Jul 22, 2019: Cessna 402B (N7947Q), Boise, ID, Substantial damage. Upon landing rollout of runway 10L boi, the CE402 right main landing gear suddenly collapsed. As a result, the aircraft veered off the right side of the… - [Incident 20170331003139I](https://openairdocs.org/incident/20170331003139I), Mar 31, 2017: Cessna 402B (N7947Q), Portland, OR, Minor damage. The pilot landed at Portland International Airport with the gear retracted. When the propellers struck the ground during the landing phase, the pilot executed… - [Incident 20120308002899I](https://openairdocs.org/incident/20120308002899I), Mar 8, 2012: Cessna 402B (N7947Q), Idaho Falls, ID, Minor damage. Climbing out at 110KTS, 200' AGL, accomplishing after take-off checklist, saw black spots outside, went through a flock of ducks, one hit and penetrated right… - [Incident 20070620012059I](https://openairdocs.org/incident/20070620012059I), Jun 20, 2007: Cessna 402B (N7947Q), Boise, ID, No damage. (-23) On June 20, 2007 while on a flight from boi to geg Cessna 402-B, N7947Q, s/n 402B-0397 experienced a complete avionics bus failure. This was due to a… - [Incident 20050218002919I](https://openairdocs.org/incident/20050218002919I), Feb 18, 2005: Cessna 402B (N7947Q), Salt Lake City, UT, Minor damage. (-23) At approximately 1935 MST on February 18, 2005 a western air express Cessna 402, N7947Q, call sign wae 47 was inbound to Salt Lake City from twin falls,… - [Incident 19890810057069I](https://openairdocs.org/incident/19890810057069I), Aug 10, 1989: Cessna 402B (N7947Q), Sioux Falls, SD, Minor damage. Unable to extend gear. Landed with gear up. Worn cotter key had come loose from clevis pin disengaging system. - [Incident 19850718047539I](https://openairdocs.org/incident/19850718047539I), Jul 18, 1985: Cessna 402B (N7947Q), Chicago, IL, Minor damage. Right main collapsed on landing after circuit breaker popped on retraction. Bearing on strut assembly broken. - [Accident 19831229064949A](https://openairdocs.org/incident/19831229064949A), Dec 29, 1983: Cessna 402B (N7947Q), Davenport, IA, Substantial damage. Landed on icy, crosswind runway and slid into a snowbank. Other runway not plowed. Too much crosswind for ice. --- 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.