# Service difficulty reports: N911DD, cancelled Feb 20, 2018

A list on [N911DD, cancelled Feb 20, 2018](https://openairdocs.org/deregistered/N911DD-2018-02-20.md).

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

- [SDR HEEA063447](https://openairdocs.org/sdr/HEEA063447.md): Warning Box · malfunctioned · Aug 9, 1999 · N911DD · Bolkms BO105S · Engine RPM Indicating System
  > RPM WARNING LIGHT COMES ON DURING FLIGHT.
- [SDR HEEA062902](https://openairdocs.org/sdr/HEEA062902.md): Control Unit · mismarked · Jul 12, 1999 · N911DD · Bolkms BO105S · VHF Communications System
  > THUMBWHEEL NOT CORRESPONDING TO DIGITAL READOUTS.
- [SDR 99ZZZX389](https://openairdocs.org/sdr/99ZZZX389.md): Hydraulic Pack · malfunctioned · Dec 4, 1998 · N911DD · Bolkms BO105S · Main Rotor Control
  > CYCLIC CONTROL WOULD NOT MOVE PAST CENTER WHEN PILOT ATTEMPTED TO MOVE THE CYCLIC CONTROL TO THE LEFT AFTER MAKING A RIGHT INPUT. NO MECHANICAL ANOMALIES COULD BE FOUND. HYDRAULIC PACK WAS CHANGED. REF: BO-105 IPC, FIGURE 424, ITEM 30.
- [SDR HEEA0016752](https://openairdocs.org/sdr/HEEA0016752.md): Static Inverter · failed · Nov 6, 1998 · N911DD · Bolkms BO105S · AC Inverter
  > STATIC INVERTER TRIPS CIRCUIT BREAKER.
- [SDR HEEA0015654](https://openairdocs.org/sdr/HEEA0015654.md): Pump · worn · Aug 17, 1998 · N911DD · Bolkms BO105S · Hydraulic Pump (Electric/Engine), Main
  > HYDRAULIC PUMP HAS WORN BEARING TRUNNIONS.
- [SDR HEEA0015270](https://openairdocs.org/sdr/HEEA0015270.md): Starter · failed · Jul 27, 1998 · N911DD · Bolkms BO105S · Starter-Generator
  > STARTER/GENERATOR WILL NOT MOTOR ENGINE OVER.
- [SDR HEEA0015150](https://openairdocs.org/sdr/HEEA0015150.md): Regulator · faulty · Jul 1, 1998 · N911DD · Bolkms BO105S · AC Regulator
  > VOLTAGE REGULATOR WILL NOT ADJUST.
- [SDR HEEA0014710](https://openairdocs.org/sdr/HEEA0014710.md): Warning Box · malfunctioned · Jun 10, 1998 · N911DD · Bolkms BO105S · Rotor Drive Indicating System
  > MAIN ROTOR RPM, LOW SIDE WARNING INTERMITTENTLY IN-FLIGHT.
- [SDR HEEA0014465](https://openairdocs.org/sdr/HEEA0014465.md): Servo Motor · faulty · Jun 2, 1998 · N911DD · Bolkms BO105S · Fuel Controlling System
  > UNABLE TO ADJUST AND SLIP.
- [SDR HEEA0013251](https://openairdocs.org/sdr/HEEA0013251.md): Indicator Warn · failed · Mar 4, 1998 · N911DD · Bolkms BO105S · Engine Oil Pressure
  > OIL PRESS INDICATOR HAS NO "T" OIL LIGHT INDICATION.
- [SDR HEEA0013129](https://openairdocs.org/sdr/HEEA0013129.md): Bearing · seized · Mar 3, 1998 · N911DD · Bolkms BO105S · Fuel Boost Pump
  > PUMP INOPERATIVE. BEARINGS FROZE UP CAUSING PUMP TO FAIL.
- [SDR HEEA0013128](https://openairdocs.org/sdr/HEEA0013128.md): Bearing · seized · Mar 3, 1998 · N911DD · Bolkms BO105S · Fuel Boost Pump
  > PUMP INOPERATIVE. BEARINGS FROZE UP CAUSING PUMP TO FAIL.
- [SDR HEEA0012861](https://openairdocs.org/sdr/HEEA0012861.md): Warning Box · failed · Feb 6, 1998 · N911DD · Bolkms BO105S · Main Rotor Indicating System
  > RPM WARN BOX CAUSES INTERMITTENT RPM LIGHT TO ILLUMINATE WHEN AT 100 PERCENT.
- [SDR HEEA0012345](https://openairdocs.org/sdr/HEEA0012345.md): Nozzle · defective · Dec 11, 1997 · N911DD · Bolkms BO105S · Turbine Section
  > INSPECTION REVEALED: COATING LIFTING ON NR2 NOZZLE 1ST AND 2ND STAGE TIP PATHS. INSTALLED A DALLAS AIRMOTIVE OVERHAULED NR2 NOZZLE.
- [SDR HEEA0012207](https://openairdocs.org/sdr/HEEA0012207.md): Indicator · failed · Dec 3, 1997 · N911DD · Bolkms BO105S · Engine RPM Indicating System
  > TRIPLE TACH NR2 NEEDLE INDICATES HIGH OUT OF TOLERANCE 100%.
- [SDR HEEA0010281](https://openairdocs.org/sdr/HEEA0010281.md): Blade · cracked · Jun 25, 1997 · N911DD · Bolkms BO105S · Main Rotor Blades
  > BLADE NOSE AND NECK SHELLS CRACKED.

## 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 = 'N911DD' AND deregistration_id = 'N911DD-2018-02-20'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N911DD-2018-02-20/reports

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