# N740SA: 1978 Boeing 747-230B, registration cancelled 2012-07-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 11, 2012
- Status when cancelled: Valid registration
- Airframe: [Boeing 747-230B](https://openairdocs.org/model/boeing-747-230b) (registry code 1384889)
- Engine: [GE CF6-50 series](https://openairdocs.org/engine/ge-cf6-50-series) (registry code 30018)
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE), [TCDS E23EA](https://openairdocs.org/tcds/E23EA) (OpenAirDocs)
- Serial number: 21380
- Year built: 1978
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: March 20, 1995
- Certificate issued: January 29, 2009
- Last registry action: January 29, 2009
- Mode S code: A9F41B
- Owner when cancelled: [Air Mobility Inc](https://openairdocs.org/faa-owner/AIR%20MOBILITY%20INC)
- Location: [Norwalk, CT](https://openairdocs.org/faa-place/CT/Norwalk)
- Owner type: Corporation
- Owner's area on the map: 41.1274° N, 73.4453° W: Placed by OpenAirDocs at the center of ZIP code 06850, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N740SA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=740SA
- Page: https://openairdocs.org/deregistered/N740SA-2012-07-11

From the FAA registry file of October 29, 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 747-230B: https://openairdocs.org/model/boeing-747-230b.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 Q2SA740009](https://openairdocs.org/sdr/Q2SA740009), Apr 5, 2008: CADC. DEFECTIVE. CAPTAIN'S COMPASS AND ALTIMETER INTERMITTENTLY FAILED. ATC NR 1 AND NR 2 FAILED. REPLACED NR 1 CENTRAL AIR DATA COMPUTER (CADC) IN ACCORDANCE WITH AMM 34-12-01,
- [SDR Q2SA740008](https://openairdocs.org/sdr/Q2SA740008), Mar 4, 2008: ENGINE. LEAKING. NUMBER 2 ENGINE SHUTDOWN DUE TO LOSS OF ENGINE OIL QUANTITY IN FLIGHT OUT OF RKSI. OIL QUANTITY DRAMATICALLY DECREASED FROM ABOVE 3 GALLONS TO BELOW 1 GALLON IN
- [SDR Q2SA740007](https://openairdocs.org/sdr/Q2SA740007), Mar 3, 2008: TUBE. CRACKED. INFLIGHT ENGINE SHUTDOWN OF NR 2 ENGINE DUE TO LOSS OF ENGINE OIL QUANTITY AND PRESSURE DURING THE CLIMB-OUT OF RKSI. FOLLOWED QRH PROCEDURES BY SHUTTING ENGINE
- [SDR 740006](https://openairdocs.org/sdr/740006), Feb 14, 2007: FLEX DUCT. BLOWN. NR 4 ENGINE HAS 2 KNOB THROTTLE SPLIT. HIGH EGT, HIGH FUEL FLOW, HIGH OIL TEMPERATURE, HIGH FIRE DETECTION TEMPERATURE AND HIGH STAGE VALVE OPEN. RETURNED TO RK
- [SDR 740005](https://openairdocs.org/sdr/740005), Feb 13, 2007: CABLE. FROZEN. NR 4 ENGINE PARAMETERS INDICATED LOSS OF POWER AT CRUISE ALTITUDE OF 25,000 FEET. EGT HIGH, N1 AND N2 LOW, FUEL FLOW HIGH AND ENGINE SURGES +/- 3 PERCENT. DUMPE
- [SDR Q2SA740004](https://openairdocs.org/sdr/Q2SA740004), Feb 3, 2007: BOLT. SHEARED. GEAR WILL NOT RETRACT AFTER TAKEOFF. BOTH RIGHT BODY GEAR TILT LIGHTS CAME ON. AIR TURN BACK TO PANC. FOUND RIGHT BODY GEAR TRUCK POSITION ACTUATOR FORWARD ATTA
- [SDR Q2SA740003](https://openairdocs.org/sdr/Q2SA740003), Nov 2, 2006: VALVE. MALFUNCTIONED. HAD INDICATION OF NR 1 ENGINE FIRE AT FL 250. ACCOMPLISHED ENGINE FIRE CHECKLIST IAW QRH. SHUTDOWN ENGINE, ACTIVATED FIRE EXTINGUISHER, DUMPED FUEL AND RETURNED
- [SDR 740002](https://openairdocs.org/sdr/740002), Mar 22, 2006: ENGINE. SHUTDOWN. NR 2 ENGINE SHUTDOWN FOR UNKNOWN REASON, ACCOMPANIED BY A LOUD BANG. QRH CHECKLIST ACCOMPLISHED. AIRCRAFT RETURNED TO PANC.
- [SDR 2004F00418](https://openairdocs.org/sdr/2004F00418), Aug 19, 2004: COUPLER. FAILED. EN ROUTE FROM PANC TO RDSI AT FL320, IN CRUISE MODE, WHEN HF NR 1 MIC IS KEYED THE FOLLOWING DISCREPANCY WAS NOTED, 'WITH AUTOPILOT ENGAGED AND AUTOTHROTTLES EN

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