GE CT7-8A5 airworthiness directives

Manufacturer (registry): GE
Model: CT7-8A5
Registry code: 30137
Installed in: 0 registered aircraft
Type: Turbo-shaft
Power: 2,634 hp
Data sheet: TCDSE8NE
Holder: General Electric Company GE Aviation

Model codes come from the FAA registry’s reference file.

On this page

Airworthiness directives that may apply · 0

ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.

No ADs matched this model

Registered aircraft · 0

No aircraft currently registered with this engine model

NTSB investigations

No NTSB investigations matched to aircraft with this engine modelMatched through the registry by N-number, so foreign aircraft and some older cases aren’t counted.

FAA incident reports

No reports matched to aircraft with this engine modelMatched through the registry by N-number, so foreign aircraft and some older reports aren’t counted.

Service difficulty reports · 1

SDR CA110228003Bearing · brinelled(CAN) DURING A GENERAL FUNCTION CHECK OF THE INPUT MODULE, FOUND THAT THE IFWU WHEN ROTATED WAS ROUGH AND JUMPY WHILE FREEWHEELING, DISASSEMBLY AND FURTHER INSPECTION WAS REQUIRED. UPON FURTHER INSPECTION OF THE IFWU BEARING SB1137-101 IT WAS FOUND TO HAVE FFeb 17, 2011 · Skrsky S92A · Main Rotor Gearbox

Query with SQL

duckdb -csv -c "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 engine_model_key = 'CT78A5'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

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 engine_model_key = 'CT78A5'
ORDER BY difficulty_date DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

PMA parts · 375

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

3033T61P02ACDRing-No 4Damper PistonAircraft Component Design LLC · PMA PQ2138NE · Replaces 3033T61P02 · Jun 23, 2026 201113-09ACDPacking, PreformedAircraft Component Design LLC · PMA PQ2138NE · Replaces 201113-09 · Apr 25, 2022 3036T40P01ACDPin, Headless ShoulderAircraft Component Design LLC · PMA PQ2138NE · Replaces 3036T40P01 · Mar 1, 2022

See all 375 PMA parts

Query with SQL

duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('E8NE')
    AND len(list_intersect(tcds_models, ['CT7-8A5'])) > 0
  ORDER BY supplement_date DESC, drs_guid DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
WHERE tcds_number IN ('E8NE')
  AND len(list_intersect(tcds_models, ['CT7-8A5'])) > 0
ORDER BY supplement_date DESC, drs_guid DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.