# Service difficulty reports: N911MZ, cancelled Dec 20, 2017

A list on [N911MZ, cancelled Dec 20, 2017](https://openairdocs.org/deregistered/N911MZ-2017-12-20.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR QMLA2016110116120](https://openairdocs.org/sdr/QMLA2016110116120.md): Elec Connector · contaminated · Nov 1, 2016 · N911MZ · Bolkms BK117A4 · Fuel System Wiring
  > CREW MEMBER REPORTED FUEL ODOR DURING GROUND OPERATIONS. THE PILOT SHUTDOWN THE ENGINES AND CALLED THE MECHANIC OUT TO INSPECT THE AIRCRAFT. REMOVED THE CENTER CEILING PANELS INSIDE THE CABIN, AND FOUND SOME FUEL RESIDUE AROUND SOME ELECTRICAL CONNNECTORS AND
- [SDR QMLA2016103016119](https://openairdocs.org/sdr/QMLA2016103016119.md): B-Nut · leaking · Oct 30, 2016 · N911MZ · Bolkms BK117A4 · Aircraft Fuel Distribution System
  > THE PILOT AND MEDICAL CREW SMELLED A STRONG FUEL ODOR WITHIN THE CABIN OF THE AIRCRAFT. THE MECHANIC WAS CALLED OUT TO INSPECT THE AIRCRAFT AND FOUND A FUEL LINE FROM THE PUMP ON THE ENGINE SIDE UNDER TORQUED. TORQUED THE B-NUT, AND ACCOMPLISHED A GROUND RUN
- [SDR QMLA2016052016052](https://openairdocs.org/sdr/QMLA2016052016052.md): Chip Detector · contaminated · May 20, 2016 · N911MZ · Bolkms BK117A4 · Turbine Engine Accessory Drive
  > NUMBER 2 ENG CHIP LIGHT IN CRUISE, WOULD NOT EXTINGUISH WITH 3 ZAPS. SHUTDOWN NR 2 ENG IAW ACFT EMER PROCEDURE CHECKLIST. UPON ARRIVAL, INSPECTED THE CHIP DETECTOR FOR DEBRIS. COLLECTED & PRESERVED THE DEBRIS COLLECTED & TOOK A SOAP SAMPLE FOR ANALYSIS WITH
- [SDR QMLA2015071715059](https://openairdocs.org/sdr/QMLA2015071715059.md): Fire Warning · false activation · Jul 17, 2015 · N911MZ · Bolkms BK117A4 · Fire Detection
  > THE NR 2 FIRE WARNING LIGHT WAS GLOWING VERY DIMLY. DID NOT NOTICE THE FIRE LIGHT WAS ON UNTIL THE OTHER COCKPIT LIGHTS WERE DIMMED FOR SHUTDOWN. THERE WAS NO EVIDENCE OF A FIRE IN THE NR 2 ENG COMPARTMENT. THE FIRE WARNING SYS STILL TESTED PROPERLY & CAME
- [SDR QMLA2015062615053](https://openairdocs.org/sdr/QMLA2015062615053.md): Mount Fitting · worn · Jun 26, 2015 · N911MZ · Bolkms BK117A4 · Engine Mount Section
  > NUMBER 2 INBD FWD ENG MOUNT FITTING BUSHING WORN & ELONGATED, REQUIRING REPAIR SCHEME. REPAIR COMPLETED WITH FORM 337 DATED 07 07 2015.
- [SDR QMLA2015031915019](https://openairdocs.org/sdr/QMLA2015031915019.md): Fire Warning · false activation · Mar 19, 2015 · N911MZ · Bolkms BK117A4 · Fire Detection
  > NUMBER 2 ENG FIRE LIGHT ILLUMINATED IN FLIGHT WITH NO FIRE. ACFT LANDED WITHOUT INCIDENT. NR 2 ENG FIRE DETECTOR SYS INSPECTED & TESTED, NO FAULTS FOUND, COULD NOT DUPLICATE FAULT.
- [SDR UNFR2011052500003](https://openairdocs.org/sdr/UNFR2011052500003.md): Skin · misrepaired · May 23, 2011 · N911MZ · Bolkms BK117A4 · Rotorcraft Tail Boom
  > PERFORMING INSP ON TAILBOOM AND DISCOVERED RIVETS IN TAILBOOM THAT WERE NOT CORRECTLY INSTALLED AT PREVIOUS REPAIR ON TOP SKIN BECAUSE OF DIMPLES IN SKIN DID NOT LINE UP WITH HOLES IN STRINGER CORRECTLY. PREVENTING SKIN TO RECESS CORRECTLY, THUS WITH GAP IN
- [SDR RMXA051220097098](https://openairdocs.org/sdr/RMXA051220097098.md): Frame · cracked · May 12, 2009 · N911MZ · Bolkms BK117A4 · Fuselage Main, Frame
  > DURING SCHEDULED MAINTENANCE, A 1 INCH LONG CRACK WAS DISCOVERED IN THE FUSELAGE TAILCONE LT A FRAME PT NR 117-22106-01.
- [SDR TI1R001477](https://openairdocs.org/sdr/TI1R001477.md): Clock · defective · Mar 13, 2001 · N911MZ · Bolkms BK117A3 · Independent Instruments
  > CLOCK 8 DAY - CLOCK WORKS FOR 30 TO 90 MINUTES AND THEN STOPS. REMOVED AND REPLACED.
- [SDR 99ZZZX2561](https://openairdocs.org/sdr/99ZZZX2561.md): O-Ring · leaking · Jun 3, 1999 · N911MZ · Bolkms BK117A3 · Reciprocating Engine Cylinder Section
  > TROUBLESHOT SYSTEM PER ENGINE MM. FOUND AIR LEAK ON TEMP COMPENSATOR. REMOVED 5 O-RINGS, PN M8324811-904. INSTALLED 5 NEW O-RINGS, P/N SAME. PERFORMED 7 GROUND RUNS ON NR 1 ENGINE. PERFORMED MAXIMUM CONTINUOUS OE 1 ON NR 1 ENGINE. TOPPED NR 1 PER ACFT TE
- [SDR 98ZZZX1883](https://openairdocs.org/sdr/98ZZZX1883.md): Sensor · failed · Apr 24, 1998 · N911MZ · Bolkms BK117A3 · Engine RPM Indicating System
  > INDICATION FAILURE. TROUBLESHOOT TO NG PICKUP. INSTALLED NEW PICKUP, OPS CHECK GOOD.
- [SDR 98ZZZX283](https://openairdocs.org/sdr/98ZZZX283.md): Computer · failed · Nov 13, 1997 · N911MZ · Bolkms BK117A3 · Autopilot Computer
  > CSAS COMPUTER CAUSES FLUCTUATIONS IN PITCH ACTUATOR. NOISY SIGNAL COMING OUT OF PINS 18 AND 19. REMOVED AND REPLACED.
- [SDR 98ZZZX282](https://openairdocs.org/sdr/98ZZZX282.md): Artificial Horiz · noisy · Nov 13, 1997 · N911MZ · Bolkms BK117A3 · Attitude Gyro and Indicating System
  > ARTIFICIAL HORIZ CAUSES CSAS PITCH ACTUATOR TO FLUCTUATE. SIGNAL OUT OF PINS, X AND Y ARE TOO NOISY SIMULATING PITCH UP OR DOWN. REMOVED AND REPLACED.
- [SDR 97ZZZX5132](https://openairdocs.org/sdr/97ZZZX5132.md): Control · overheat · Nov 1, 1997 · N911MZ · Bolkms BK117A3 · Flight Compartment Lighting
  > INSPECTED RHEOSTAT, WIRING, AND INTENSITY CONTROL UNIT. FOUND CONTROL UNIT TO HAVE STRONG ELECTRICAL ODOR. REPLACED WITH NEW UNIT. OPS CHECK GOOD.
- [SDR 97ZZZX5056](https://openairdocs.org/sdr/97ZZZX5056.md): Indicator · defective · Oct 19, 1997 · N911MZ · Bolkms BK117A3 · Attitude Gyro and Indicating System
  > BAD INPUTS TO YAW CSAS. NOTE: RED IMPACT INDICATOR. REMOVED AND REPLACED.
- [SDR 98ZZZX569](https://openairdocs.org/sdr/98ZZZX569.md): Manifold · leaks · Oct 7, 1997 · N911MZ · Bolkms BK117A3 · Engine Fuel Distribution
  > SUBMITTER STATES EXCESSIVE FUEL MANIFOLD LEAKS OVER THE LAST 18 MONTHS. ALLIED SIGNAL IS IN THE PROCESS OF RELEASING AN ASB LIMITING THE LIFE OF THE FUEL MANIFOLD TUBES. OTHER OPERATORS SUBMITTER CONTACTED ARE HAVING THE SAME PROBLEMS. OMNIFLIGHT HAS GONE T
- [SDR 98ZZZX570](https://openairdocs.org/sdr/98ZZZX570.md): Manifold · leaks · Sep 13, 1997 · N911MZ · Bolkms BK117A3 · Engine Fuel Distribution
  > SUBMITTER STATES EXCESSIVE FUEL MANIFOLD LEAKS OVER THE LAST 18 MONTHS. ALLIED SIGNAL IS IN THE PROCESS OF RELEASING AN ASB LIMITING THE LIFE OF THE FUEL MANIFOLD TUBES. OTHER OPERATORS SUBMITTER CONTACTED ARE HAVING THE SAME PROBLEMS. OMNIFLIGHT HAS GONE T
- [SDR 97ZZZX3617](https://openairdocs.org/sdr/97ZZZX3617.md): Computer · malfunction · Apr 1, 1997 · N911MZ · Bolkms BK117A3 · Autopilot Computer
  > PITCH AND ROLL CSAS CAUTION LIGHT ILLUMINATED INTERMITTENTLY.
- [SDR 97ZZZX1342](https://openairdocs.org/sdr/97ZZZX1342.md): Gyro Horizon · inoperable · Jan 17, 1997 · N911MZ · Bolkms BK117A3 · Attitude Gyro and Indicating System
  > GYRO HORIZ PITCH AND ROLL CSAS INOPERABLE.
- [SDR 97ZZZX1343](https://openairdocs.org/sdr/97ZZZX1343.md): Computer · failed · Jan 4, 1997 · N911MZ · Bolkms BK117A3 · Autopilot Computer
  > YAW COMPUTER HAD EHA FAILED IN FULL RETRACT POSITION.
- [SDR 97ZZZX1340](https://openairdocs.org/sdr/97ZZZX1340.md): Gyro Horizon · failed · Jan 2, 1997 · N911MZ · Bolkms BK117A3 · Attitude Gyro and Indicating System
  > HORIZON STARTED SPINNING AND TUMBLING IN-FLIGHT.
- [SDR 97ZZZX1341](https://openairdocs.org/sdr/97ZZZX1341.md): Indicator · defective · Dec 13, 1996 · N911MZ · Bolkms BK117A3 · Main Rotor Indicating System
  > INDICATOR TESTS PASSED THE CALIBRATION LINE.
- [SDR 98ZZZX583](https://openairdocs.org/sdr/98ZZZX583.md): Manifold · leaks · Dec 2, 1996 · N911MZ · Bolkms BK117A3 · Engine Fuel Distribution
  > SUBMITTER STATES EXCESSIVE FUEL MANIFOLD LEAKS OVER THE LAST 18 MONTHS. ALLIED SIGNAL IS IN THE PROCESS OF RELEASING AN ASB LIMITING THE LIFE OF THE FUEL MANIFOLD TUBES. OTHER OPERATORS SUBMITTER CONTACTED ARE HAVING THE SAME PROBLEMS. OMNIFLIGHT HAS GONE T
- [SDR 96ZZZX5770](https://openairdocs.org/sdr/96ZZZX5770.md): Transceiver · inoperative · Sep 22, 1996 · N911MZ · Bolkms BK117A3 · VHF Communications System
  > INOP WHEN INSTALLED IN A/C - WILL NOT TRANSMIT.
- [SDR 96ZZZX5842](https://openairdocs.org/sdr/96ZZZX5842.md): Triple Tach · intermittent · Aug 24, 1996 · N911MZ · Bolkms BK117A3 · Engine RPM Indicating System
  > INTERMITTENT N2 - NR 2 DROP OF 2 PERCENT AT 100 PERCENT.
- [SDR 96ZZZX4674](https://openairdocs.org/sdr/96ZZZX4674.md): Transceiver · defective · Jun 27, 1996 · N911MZ · Bolkms BK117A3 · VHF Communications System
  > TRANSCEIVER WILL NOT TRANSMIT CLEAR, BUT RECEIVES OK. PART WAS JUST IN FOR REPAIR 5-14-96.
- [SDR 96ZZZX3671](https://openairdocs.org/sdr/96ZZZX3671.md): Indicator · defective · Jun 19, 1996 · N911MZ · Bolkms BK117A3 · Weather Radar System
  > TRANSMITTER FAULT. RADAR SENSOR. COLOR RADAR INDICATOR.
- [SDR 96ZZZX3670](https://openairdocs.org/sdr/96ZZZX3670.md): Sensor · defective · Jun 19, 1996 · N911MZ · Bolkms BK117A3 · Weather Radar System
  > TRANSMITTER FAULT. RADAR SENSOR. COLOR RADAR INDICATOR.
- [SDR 96ZZZX3669](https://openairdocs.org/sdr/96ZZZX3669.md): Transceiver · failed · May 25, 1996 · N911MZ · Bolkms BK117A3 · VHF Communications System
  > VHF-FM HI BAND RADIO WILL NOT TRANSMIT OR RECEIVE. REMOVED AND REPLACED.
- [SDR 96ZZZX3667](https://openairdocs.org/sdr/96ZZZX3667.md): Gyro · defective · Apr 2, 1996 · N911MZ · Bolkms BK117A3 · Attitude Gyro and Indicating System
  > ON INSTALLATION, GYRO UNIT WAS SLOW TO SPIN-UP AND GRADE-OFF. REMOVED AND REPLACED.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N911MZ' AND deregistration_id = 'N911MZ-2017-12-20'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N911MZ-2017-12-20/reports

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