# MBB BK 117 A-3 - Type: Aircraft model (FAA registry) - Registry code: 5626015 - Manufacturer (registry): MBB - Model: BK 117 A-3 - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 2 · Turbo-shaft - Seats: 8 - Weight class: Up to 12,499 lb - Certification: Type certificated - Data sheet: [TCDS H13EU](https://openairdocs.org/tcds/H13EU) (OpenAirDocs) - Holder: Airbus Helicopters Deutschland GmbH (AHD) - Registered aircraft: 3 - Page: https://openairdocs.org/model/mbb-bk-117-a-3 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft (3) - [N112LL](https://openairdocs.org/aircraft/N112LL): [Patriot Aviation Inc](https://openairdocs.org/faa-owner/PATRIOT%20AVIATION%20INC), [Greenville, DE](https://openairdocs.org/faa-place/DE/Greenville), built 1984, S/N 7038 - [N116SR](https://openairdocs.org/aircraft/N116SR): [United States Department Of Energy](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPARTMENT%20OF%20ENERGY), [Aiken, SC](https://openairdocs.org/faa-place/SC/Aiken), S/N 7012 - [N117SR](https://openairdocs.org/aircraft/N117SR): [United States Department Of Energy](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPARTMENT%20OF%20ENERGY), [Aiken, SC](https://openairdocs.org/faa-place/SC/Aiken), built 1986, S/N 7084 ## NTSB investigations (6) 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 CEN13FA096](https://openairdocs.org/ntsb/CEN13FA096), Dec 11, 2012: MBB BK 117 A-3 (N911BK), Compton, IL, substantial damage, 3 fatal. Probable cause: The inadvertent encounter with inclement weather, including snow, freezing rain, and reduced visibility conditions, which led to the pilot’s spatial disorientation and loss of aircraft control. - [NTSB ATL04LA055](https://openairdocs.org/ntsb/ATL04LA055), Dec 17, 2003: MBB BK117A3 (N911WJ), Okeechobee, FL, substantial damage. Probable cause: The pilot continued visual flight into instrument meteorological conditions and experienced spatial disorientation, loss of aircraft control, and in-flight collision with trees and terrain. Factors… - [NTSB IAD02FA026](https://openairdocs.org/ntsb/IAD02FA026), Jan 18, 2002: MBB BK-117 A-3 (N626MB), Cleveland, OH, destroyed, 2 fatal. Probable cause: pilot's failure to maintain directional control of the helicopter while hovering, which resulted in its collision with a building. Factors were the confined area, tail wind, and wind gusts. - [NTSB ATL00FA048](https://openairdocs.org/ntsb/ATL00FA048), Apr 25, 2000: Eurocopter BK117-A3 (N428MB), St. Petersburg, FL, destroyed, 3 fatal. Probable cause: The pilot's failure to maintain clearance that resulted in the in-flight collision with a tower. - [NTSB CHI90LA074](https://openairdocs.org/ntsb/CHI90LA074), Jan 30, 1990: MBB BK-117A-1 (N117M), Janesville, WI, substantial damage. Probable cause: THE PILOT-IN-COMMAND FAILED TO ENSURE THAT THE ENGINE COWLING LATCHES WERE PROPERLY SECURED PRIOR TO DEPARTING ON THE MAINTENANCE TEST FLIGHT; THE COWLING CAME LOOSE DURING FLIGHT, AND CONTACTED THE… - [NTSB NYC88IA186](https://openairdocs.org/ntsb/NYC88IA186), Jul 12, 1988: MBB BK-117 (N135CP), Manhattan, NY, incident, minor damage. Probable cause: FAILURE OF THE MAIN ROTOR BLADE APPEARS TO BE THE RESULT OF A STATIC DOWNWARD BENDING OVERSTRESS, CAUSED BY ANOTHER HELICOPTER HOVERING OVER OR VERY CLOSE TO THE MAIN ROTOR BLADE AS IT WAS IN A… ## FAA accident and incident reports (11) 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 20121210027259A](https://openairdocs.org/incident/20121210027259A), Dec 10, 2012: Mbb BK 117 A-3 (N911BK), Compton, IL, Destroyed, 3 fatal. On December 10, 2012, at approximately 2016 central standard time (CST) an Eurocopter BK-117A-3, N911BK, operated as "react one", was destroyed when it… - [Incident 20071021830859I](https://openairdocs.org/incident/20071021830859I), Oct 21, 2007: Bolkms BK117A3 (N112LL), Kokomo, IN, Minor damage. (-23) After landing in order to upload fuel from a fueling area on the okk ramp, the aircraft had to maneuver in gusty wind conditions up to 28 knots. After… - [Accident 20031216036839A](https://openairdocs.org/incident/20031216036839A), Dec 16, 2003: Bolkms BK117A3 (N911WJ), Okeechobee, FL, Substantial damage. (-23) On December 16, 2003, at 1908 eastern standard time, a mbb, bk 117A3, N911WJ, operated by cj systems aviation group inc., as a 14 CFR part 91 positioning… - [Accident 20020118001289A](https://openairdocs.org/incident/20020118001289A), Jan 18, 2002: Bolkms BK117A3 (N626MB), Cleveland, OH, Destroyed, 2 fatal. (-23) Preliminary investigation indicates aircraft lifted off 12th story helipad at 0024. A/c started a right turn in gusty wing conditons and struck the… - [Accident 20000425009929A](https://openairdocs.org/incident/20000425009929A), Apr 25, 2000: Bolkms BK117A3 (N428MB), St Petersburg, FL, No damage, 3 fatal. (-23) On April 25, 2000, at 1215 local time, a messerschmitt-boelkow-glohn BK117-A3, serial number 7088, N428MB, registered to rocky mountain holdings LLC,… - [Accident 19940622016239A](https://openairdocs.org/incident/19940622016239A), Jun 22, 1994: Bolkms BK117A3 (N118LL), Cloverdale, IN, Substantial damage. Struck dead powerline with skid, laded in field south of interstate. - [Incident 19940422015919I](https://openairdocs.org/incident/19940422015919I), Apr 22, 1994: Bolkms BK117A3 (N532KH), Sayre, PA, Minor damage. Cowling on left side of NR1 engine had come loose. Departed aircraft. Cowling not properly secured. - [Incident 19931109045519I](https://openairdocs.org/incident/19931109045519I), Nov 9, 1993: Bolkms BK117A3 (N135CP), Staten Island, NY, Minor damage. Severe vibration. Emergency running landing. Found part of main rotor blade mising. - [Incident 19920930048079I](https://openairdocs.org/incident/19920930048079I), Sep 30, 1992: Bolkms BK117A3 (N117NY), Poughkeepsie, NY, Minor damage. Fire in left engine compartment. Used fire bottles. Precautionary landing. Turbine blade exited through exhaust case - [Incident 19910903042529I](https://openairdocs.org/incident/19910903042529I), Sep 3, 1991: Bolkms BK117A3 (N420MB), Louisville, KY, Minor damage. Right engine cowling came off and hit rotor blades after takeoff. Landed in vacant lot. - [Accident 19900130001369A](https://openairdocs.org/incident/19900130001369A), Jan 30, 1990: Bolkms BK117A1 (N117M), Janesville, WI, Substantial damage. Engine cowling came loose on test flight. Emergency landing due to damaged rotors. ## Service difficulty reports (719, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR QMLA2014022314018](https://openairdocs.org/sdr/QMLA2014022314018), Feb 23, 2014: DOOR. MISSING. THE PILOT NOTICED THAT THE HYD INSPECTION DOOR ON THE FWD TRANSMISSION DECK CREST COWLING WAS MISSING FROM THE ACFT DURING A PREFLIGHT INSPECTION. OBTAINED & IN - [SDR QMLA2013012913020](https://openairdocs.org/sdr/QMLA2013012913020), Jan 29, 2013: GEARBOX. MAKING METAL. DURRING "GROUND RUN," THE INTERMEDIATE GEAR BOX CAUSED THE TAILROTOR GEARBOX ANNUNCIATOR LIGHT TO ILLUMINATE. CHIP PLUG WAS EXAMINED. OEN CHIP FOUND, CLASIFIED - [SDR QMLA2012031412045](https://openairdocs.org/sdr/QMLA2012031412045), Mar 14, 2012: FRAME. CRACKED. DURING VISUAL INSPECTION OF VERTICAL FIN INNER AND OUTER SURFACE, A CRACK WAS NOTED ON THE LT SIDE CAMLOC FRAME THAT SUPPORTS THE VERTICAL FIN COWL. THE CRACK I - [SDR QMLA2011120711117](https://openairdocs.org/sdr/QMLA2011120711117), Dec 7, 2011: PUMP. INOPERATIVE. FWD FUEL TRANSFER PUMP CAUTION LIGHT ILLUMINATED DURING CRUISE FLIGHT. PILOT DIVERTED AND RETURNED TO THE HOME BASE AND PERFORMED A PRECAUTIONARY LANDING. TROUB - [SDR QMLA2011111611109](https://openairdocs.org/sdr/QMLA2011111611109), Nov 16, 2011: SPAR. CRACKED. DURING INSPECTION, FOUND A CRACK IN THE TAILBOOM VERTICAL FIN MAIN SPAR. OPEN. - [SDR QMLA2011081711087](https://openairdocs.org/sdr/QMLA2011081711087), Aug 17, 2011: FRAME. CRACKED. THE MECHANIC FOUND A CRACK IN THE TAILBOOM AT FRAME 10L, DURING A SCHEDULED INSP. - [SDR RMXADMR334393](https://openairdocs.org/sdr/RMXADMR334393), Apr 14, 2011: SKIN. SCRATCHED. A .012" DEEP .3750" LONG SCRATCH WAS FOUND ON THE RT SIDE OF THE TAIL BOOM UNDER THE OMEGA STRINGER, 12 INCHES AFT OF THE CONNECTING FLANGE. - [SDR QMLA2011012911017](https://openairdocs.org/sdr/QMLA2011012911017), Jan 29, 2011: CHIP DETECTOR. CONTAMINATED. NR 2 ENGINE CHIP LIGHT ILLUMINATED ALONG WITH THE MASTER CAUTION LIGHT. PILOT NOTED THAT THERE WERE NO N2 FLUCTUATIONS. AIR RETURNED AND ATTEMPTED A CHIP BURN W - [SDR RMXA091420097023](https://openairdocs.org/sdr/RMXA091420097023), Sep 11, 2009: KEELBEAM. CORRODED. DURING OTHER UNSCHEDULED MX, CORROSION WAS DISCOVERED ON BOTH FUSELAGE KEEL BEAM CAPS; PN 117-21303-05. A REPAIR SCHEME WAS REQUESTED AND RECEIVED FROM THE MFG. - [SDR RMXA090120097078](https://openairdocs.org/sdr/RMXA090120097078), Sep 1, 2009: SKIN. CRACKED. DURING A SCHEDULED INSP, A 1.5 INCH LONG CRACK WAS DISCOVERED ON THE LT TAILBOOM SKIN. THE CRACK STARTS AT THE CUTOUT OPENING FOR THE HORIZ STAB AND EXTENDS UPW - [SDR RMXA061020097097](https://openairdocs.org/sdr/RMXA061020097097), Jun 10, 2009: ATTACH FITTING. CRACKED. DURING A SCHEDULED INSP, THE TAIL ROTOR GEARBOX ATTACH FITTING WAS DISCOVERED CRACKED IN THE UPPER LT CORNER. FITTING WAS REMOVED AND REPLACED WITH A NEW FITTIN - [SDR BAQA20080015](https://openairdocs.org/sdr/BAQA20080015), Apr 19, 2008: O-RING. DAMAGED. DURING DESCENT TO LAND CREW SMELT (STRANGE ODOR) COMING FROM THE AIR CONDITIONING GASPERS. DEACTIVATING ENVIRONMENT CONTROL UNIT CEASED ODOR. AFTER LANDING INSP - [SDR BAQA20080041](https://openairdocs.org/sdr/BAQA20080041), Apr 19, 2008: O-RING. DAMAGED. CRUISE FLIGHT, CLOSE TO FLIGHT DESTINATION, CREW SMELLED "STRANGE ODOR" IN CABIN/COCKPIT. PILOT TURNED OFF THE ENVIRONMENTAL CONTROL UNIT AND SMELL CEASED. INSP - [SDR BAQA20080021](https://openairdocs.org/sdr/BAQA20080021), Apr 19, 2008: O-RING. BLOWN. CRUISE FLIGHT, CLOSE TO FLIGHT DESTINATION, CREW SMELLED "STRANGE ODOR" IN CABIN/COCKPIT. PILOT TURNED OFF THE ENVIRONMENTAL CONTROL UNIT AND SMELL CEASED. INSP - [SDR BAQA200800003](https://openairdocs.org/sdr/BAQA200800003), Apr 19, 2008: O-RING. DAMAGED. CRUISE FLIGHT, CLOSE TO FLIGHT DESTINATION CREW SMELLED "STRANGE ODOR" IN CABIN/COCKPIT. PILOT TURNED OFF THE ENVIRONMENTAL CONTROL UNIT AND SMELL CEASED. INSPE - [SDR BAQA20080009](https://openairdocs.org/sdr/BAQA20080009), Apr 19, 2008: O-RING. BLOWN. CRUISE FLIGHT, CLOSE TO FLIGHT DESTINATION, CREW SMELLED "STRANGE ODOR" IN CABIN/COCKPIT. PILOT TURNED OFF THE ENVIRONMENTAL CONTROL UNIT AND SMELL CEASED. INSP - [SDR BAQA20080006](https://openairdocs.org/sdr/BAQA20080006), Apr 19, 2008: O-RING. DAMAGED. CRUISE FLIGHT, CLOSE TO FLIGHT DESTINATION, CREW SMELLED "STRANGE ODOR" IN CABIN/COCKPIT. PILOT TURNED OFF THE ENVIRONMENTAL CONTROL UNIT AND SMELL CEASED. INSP - [SDR BAQA20080005](https://openairdocs.org/sdr/BAQA20080005), Apr 19, 2008: O-RING. DAMAGED. CRUISE FLIGHT, CLOSE TO FLIGHT DESTINATION, CREW SMELT "STRANGE ODOR" IN CABIN/COCKPIT. PILOT TURNED OFF THE ENVIRONMENTAL CONTROL UNIT (ECU) AND SMELL CEASED. - [SDR BAQA20080004](https://openairdocs.org/sdr/BAQA20080004), Apr 19, 2008: O-RING. DAMAGED. CRUISE FLIGHT, CLOSE TO FLIGHT DESTINATION, CREW SMELLED "STRANGE ODOR" IN CABIN/COCKPIT. PILOT TURNED OFF THE ENVIRONMENTAL CONTROL UNIT AND SMELL CEASED. INSP - [SDR BAQA20080003](https://openairdocs.org/sdr/BAQA20080003), Apr 19, 2008: O-RING. DAMAGED. CRUISE FLIGHT, CLOSE TO FLIGHT DESTINATION, CREW SMELLED "STRANGE ODOR" IN CABIN/COCKPIT. PILOT TURNED OFF THE ENVIRONMENTAL CONTROL UNIT AND SMELL CEASED. INSP - [SDR 706704192008](https://openairdocs.org/sdr/706704192008), Apr 19, 2008: ECS. MALFUNCTIONED. AIRCRAFT WAS ALMOST AT DESTINATION WHEN THE CREW SMELLED SEVERAL STRANGE ODORS. CREW THOUGHT THE SMELLS WERE COMING FROM NUMEROUS FIRES ON THE GROUND IN THE ARE - [SDR RMXA10282007](https://openairdocs.org/sdr/RMXA10282007), Oct 28, 2007: DOUBLER. CRACKED. LT TAILBOOM DOUBLER (FASTENER) HAS A 1.5 INCH LONG CRACK IN THE DOUBLER ONLY. - [SDR 10252007](https://openairdocs.org/sdr/10252007), Oct 24, 2007: SKIN. CRACKED. DURING DAILY INSPECTION, A 1 INCH LONG CRACK WAS DISCOVERED ON A TAIL BOOM SHEET METAL DOUBLER, LT SIDE, JUST AFT OF THE HORIZONTAL STABILIZER. - [SDR 2758071607](https://openairdocs.org/sdr/2758071607), Jul 16, 2007: SKIN. CRACKED. 1 INCH LONG SKIN CRACK FOUND ON IB SIDE OF VERTICAL STABILIZER SKIN. - [SDR 200706092204](https://openairdocs.org/sdr/200706092204), Jun 9, 2007: BEARING. BINDING. PILOT EXPERIENCED BINDING IN THE T/R CONTROLS. DIRT WAS FOUND IN T/R GRIP BEARINGS CAUSING BINDING IN CONTROL. - [SDR BAQA20060007](https://openairdocs.org/sdr/BAQA20060007), Nov 15, 2006: FRAME. CRACKED. CRACK FOUND IN OVER HEAD FRAME. DETERMINED TO BE MINOR REPAIR. REPAIRED BY INSTALLING DOUBLERS IAW AC 43.13-1B MM. - [SDR BAQA20060006](https://openairdocs.org/sdr/BAQA20060006), Nov 13, 2006: RETAINING NUT. LOOSE. POWER TURBINE WHEEL RETENTION NUT LOST TORQUE. DISCOVERED BY N2 FLUCTUATION ACCOMPANIED BY A CHIP LIGHT. - [SDR 7110650](https://openairdocs.org/sdr/7110650), Jun 5, 2006: MANIFOLD. LEAKING. ON POST FLIGHT AFTER MISSION WAS COMPLETED, PILOT FOUND FUEL LEAKING FROM THE NR 2 ENGINE FUEL MANIFOLD. - [SDR EGRA2005211](https://openairdocs.org/sdr/EGRA2005211), Feb 10, 2005: PANEL. FIRE. PILOT REPORTED MOMENTARY SMOKE, SPARKS, AND POSSIBLE FLAMES IN OVERHEAD CIRCUIT BREAKER PANEL. CIRCUIT BREAKER FOR PILOT INSTRUMENT LIGHTS POPPED AND SMOKE AND - [SDR BAQA094291](https://openairdocs.org/sdr/BAQA094291), Apr 29, 2004: STARTER GEN. FAILED. EXCHANGE. BATTERY DISCHARGE LIGHT ON AUD MOTOR ARCHING ON ARMATURE WITH POWER ON. HARDCARD ENCLOSED. REPLACED WITH SERVICABLE UNIT. 06/02/2004 - [SDR BAQA094262](https://openairdocs.org/sdr/BAQA094262), Apr 28, 2004: SPLINE. WORN. SPLINE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE UNIT, 05/20/2004 - [SDR BAQA093911](https://openairdocs.org/sdr/BAQA093911), Mar 10, 2004: MODULATOR. INOPERATIVE. UNIT REMOVED FOR OVERHAUL. PART WAS INSTALLED ON ENG S/N LE45239, BUT ENGINE WAS ORIGINALLY INSTALLED ON A/C S/N 7068. INSTALLED ON 5/4/99 AT ENG TT 3407.8 AND - [SDR BAQA092102](https://openairdocs.org/sdr/BAQA092102), Jan 20, 2004: COMMUTATOR. BURNED. COMMUTATOR PITTED AND BURNED. HARDCARD ENCLOSED. REPLACED WITH SERVICABLE UNIT. 02/02/2004 - [SDR BAQA091931](https://openairdocs.org/sdr/BAQA091931), Jan 9, 2004: STARTER GEN. FAILED. STARTER GENERATOR WILL NOT COME ONLINE. REPLACED WITH SERVICEABLE UNIT. 01/15/2004 - [SDR BAQA091862](https://openairdocs.org/sdr/BAQA091862), Jan 8, 2004: COMPENSATOR. CRACKED. BASE OF HSI COMPENSATOR IS CRACKED REPLACED WITH SERVICEABLE UNIT (S/N 17507). - [SDR BAQA091479](https://openairdocs.org/sdr/BAQA091479), Dec 10, 2003: STARTER GEN. INOPERATIVE. NR 2 ENGINE WOULD NOT CRANK/START. PART REPLACED WITH SERVICABLE UNIT. 12/30/2003 - [SDR BAQA090586](https://openairdocs.org/sdr/BAQA090586), Oct 22, 2003: FUEL CONTROL. MALFUNCTIONED. ENGINE FLAME-OUT DURING OVERSPEED CHECKS. REPLACED WITH SERVICEABLE UNIT. 11/3/03 - [SDR BAQA089833](https://openairdocs.org/sdr/BAQA089833), Oct 15, 2003: INDICATOR. INOPERATIVE. DME INDICATOR UNIT WILL NOT FUNCTION AT ALL. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA090690](https://openairdocs.org/sdr/BAQA090690), Oct 13, 2003: PUMP. INOPERATIVE. WILL NOT TRANSFER FUEL. THIS PUMP WAS ACCIDENTALLY SENT OUT FOR REPAIR REPLACED WITH SERVICEABLE, ASSET UNIT. - [SDR BAQA089448](https://openairdocs.org/sdr/BAQA089448), Sep 26, 2003: TRANSCEIVER. MALFUNCTIONED. UNIT WILL NOT POWER UP AT ALL.COMPLETELY INOPERATIVE. ALSO, IT HAS A BURNED ODOR. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA088916](https://openairdocs.org/sdr/BAQA088916), Sep 2, 2003: PUMP. INOPERATIVE. BOOST PUMP INOPERATIVE. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA088880](https://openairdocs.org/sdr/BAQA088880), Aug 30, 2003: HSI. STUCK. COMPASS CARD STICKING. REPLACED WITH SERVICEABLE UNIT. - [SDR AELLCDG001](https://openairdocs.org/sdr/AELLCDG001), Aug 27, 2003: HYDRAULIC SYSTEM. MISOVERHAULED. SEVERAL COMPONENTS OF THIS TANDEM HYDRAULIC UNIT RECENTLY OVERHAULED, SEEM TO HAVE BEEN TREATED IN A WAY THAT NEITHER CORRESPONDS TO THE ORIGINAL DRAWINGS/SPECI - [SDR BAQA088841](https://openairdocs.org/sdr/BAQA088841), Aug 25, 2003: PUMP. INOPERATIVE. BOOST PUMP INOPERATIVE. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA088836](https://openairdocs.org/sdr/BAQA088836), Aug 22, 2003: ALTIMETER. WILL NOT TEST. RADAR ALTIMETER UNIT WILL NOT TEST. WHEN KNOB IS PUSHED TO SET FLAG, YOU CAN FEEL IT SLIPPING AND RATCHETING. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA088802](https://openairdocs.org/sdr/BAQA088802), Aug 20, 2003: PUMP. INOPERATIVE. BOOSTER PUMP WOULD NOT PUMP. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA088334](https://openairdocs.org/sdr/BAQA088334), Aug 6, 2003: SENSOR. MALFUNCTIONED. PILOTS REPORTED TEMP SENSOR ASSY TOT SPLITS. POSSIBLE INTERNAL AIR LEAK IN TEMP. COMPENSATOR. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA088273](https://openairdocs.org/sdr/BAQA088273), Jul 30, 2003: RELAY. INTERMITTENT. LAMP RELAY INTERMITTENT. EXTEND AND RETRACT MOTOR ROUGH. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA088235](https://openairdocs.org/sdr/BAQA088235), Jul 29, 2003: GYRO. MALFUNCTIONED. SLOW TO SLAVE TO HEADING. SPEX FILE ; 128575 REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA087116](https://openairdocs.org/sdr/BAQA087116), Jul 23, 2003: INDICATOR. MALFUNCTIONED. ERRONEOUS DISPLAY OF STORMS ON CLEAR DAY. RMA#: 49821 REPLACED WITH ANOTHER SERVICEABLE RENTAL UNIT WHILE OURS IS BEING REPAIRED. All 719: https://openairdocs.org/model/mbb-bk-117-a-3/reports.md --- 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.