# GE CT7-8

- Type: Engine model (FAA registry)
- Registry code: 30135
- Manufacturer (registry): GE
- Model: CT7-8
- Engine type: Turbo-shaft
- Power: 2,520 hp
- Data sheet: [TCDS E8NE](https://openairdocs.org/tcds/E8NE) (OpenAirDocs)
- Holder: General Electric Company GE Aviation
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/ge-ct7-8

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

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2011-19-03](https://openairdocs.org/ad/2011-19-03): Accessory gearbox (AGB) · General Electric CT7-8, CT7-8A, CT7-8A1 and 2 more. Effective Nov 9, 2011
- [AD 2004-07-09](https://openairdocs.org/ad/2004-07-09): PGB oil filter impending bypass button (IBB) · General Electric CT7-2A, CT7-2D, CT7-2D1 and 14 more. Effective May 11, 2004

Historical (superseded or no longer in force):

- [AD 2003-06-03](https://openairdocs.org/ad/2003-06-03) (historical): Propeller gearbox (PGB) oil filter · General Electric Aircraft Engines CT7-2A, CT7-2D, CT7-2D1 and 14 more. Effective Apr 24, 2003

## Registered aircraft

None registered with this engine model now.

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## Service difficulty reports (8)

As reported by operators and repair stations, by the model named in the report.

- [SDR U0GA20231122865](https://openairdocs.org/sdr/U0GA20231122865), Nov 21, 2023: CONNECTOR. DIRTY. APU FIRE WARNING LIGHT AND AUDIO CAME ON TWICE DURING IN FLIGHT START OF APU BEFORE LANDING. EACH TIME IT CAME ON WAS ONLY FOR A BRIEF TIME, AND AFTER REDUCING 
- [SDR U0GA202306210001](https://openairdocs.org/sdr/U0GA202306210001), Jun 20, 2023: O-RING. CUT. DEPARTED HOUMA ENROUTE TO MC726 WITH 19 PASSENGERS. LEVELED OFF AT 3,000 FEET RECEIVED CAUTION LIGHT. THE PM NOTED IT WAS FOR LOSS OF PRESSURE IN THE #1 ENGINE 
- [SDR ALGA 20221128944](https://openairdocs.org/sdr/ALGA%2020221128944), Nov 1, 2022: ENGINE. VIBRATION. ON CLIMB OUT FROM OGLE AIRPORT, AIRCRAFT EXPERIENCED A SUDDEN MOMENTARY AND SHARP VIBRATION WITH A MOMENTARY NUMBER 2 ENGINE OUT WARNING LIGHT. EVENT LASTED LES
- [SDR CA160304008](https://openairdocs.org/sdr/CA160304008), Jan 26, 2016: RELAY. MALFUNCTIONED. (CAN) DURING A ROUTINE DAILY TEST OF THE LIFE RAFT DEPLOYMENT SYS CIRCUIT, THE LT LIFT RAFT INADVERTENTLY, DEPLOYED AND INFLATED. ALTHOUGH THE PROCEDURE TESTS B
- [SDR HEER20150923717](https://openairdocs.org/sdr/HEER20150923717), Sep 23, 2015: SEAL. MISINSTALLED. DURING CRUISE FLIGHT, OIL PRESSURE ON NR 1 ENGINE DROPPED TO 22-24 PSI AND ILLUMINATED NR1 ENG OIL PRESS CAUTION LIGHT. REDUCED NR 1 ENGINE THROTTLE TO IDLE AND
- [SDR CA150506009](https://openairdocs.org/sdr/CA150506009), May 4, 2015: ENGINE. FAILED. (CAN) NR 2 ENGINE FAILED WHILE IN THE HOVER, OVER THE RUNWAY, JUST PRIOR TO ROTATING FOR THE TAKEOFF. THE ACFT WAS LANDED. THE RT SEAT PILOT HEARD 2 QUICK POPS 
- [SDR CA120220007](https://openairdocs.org/sdr/CA120220007), Jan 12, 2012: OIL SYSTEM. READS HIGH. (CAN) ENGINE OIL PRESSURE ABNORMALLY HIGH. ENGINE REPLACED.
- [SDR HEEA131204](https://openairdocs.org/sdr/HEEA131204), May 12, 2011: COUPLING. FAILED. NR1 ENGINE DRIVE FLANGE AND COUPLING ASSY FAILED CAUSING ENGINE OVERSPEED SHUTDOWN.

## PMA parts (OpenAirDocs) (382, first 50)

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.

- [3033T61P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129551095320260716151350.0001): Ring-No 4Damper Piston. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3033T61P02 · Jun 23, 2026
- [201113-09ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166392396120220523181010.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 201113-09 · Apr 25, 2022
- [3036T40P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170108965920220405150220.0001): Pin, Headless Shoulder. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3036T40P01 · Mar 1, 2022
- [3031T33P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145325025520220405150246.0001): Washer, Flat. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3031T33P01 · Mar 1, 2022
- [3036T40P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109814618220220405150233.0001): Pin, Headless Shoulder. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3036T40P02 · Mar 1, 2022
- [J228P013ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198104045620250220233421.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P013 · Feb 4, 2022
- [J228P226ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195264765620250220233438.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P226 · Feb 4, 2022
- [J228P113ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191211226920250220233434.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P113 · Feb 4, 2022
- [J228P904ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187050460220250220233447.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P904 · Feb 4, 2022
- [J228P110ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171706193720250220233430.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P110 · Feb 4, 2022
- [J228P238ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147885514420250220233443.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P238 · Feb 4, 2022
- [J228P903ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143365472420250220233443.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P903 · Feb 4, 2022
- [J228P906+ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115836344720250220233452.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P906 · Feb 4, 2022
- [J228P041ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111689369320250220233426.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P041 · Feb 4, 2022
- [J228P112ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109029369920250220233430.0001): Preformed Packing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J228P112 · Feb 4, 2022
- [4040T69P01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID858289070202202151923190.0001): Nut, Self Locking - No. 3 Bearing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4040T69P01 · Feb 2, 2022
- [4040T69P02ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID665379075820220215192319.0001): Nut, Self Locking - No. 3 Bearing. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 4040T69P02 · Feb 2, 2022
- [J221P914ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID982821260220220121170318.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P914 · Jan 19, 2022
- [J221P018ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID981029618820220121170252.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P018 · Jan 19, 2022
- [J221P021ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID918497058020220121170254.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P021 · Jan 19, 2022
- [J221P114ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID901971686520220121170301.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P114 · Jan 19, 2022
- [J221P026ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID881778780320220121170256.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P026 · Jan 19, 2022
- [J221P030ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID856953141920220121170257.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P030 · Jan 19, 2022
- [J221P158ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID854187635420220121170310.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P158 · Jan 19, 2022
- [J221P015ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID854021738220220121170250.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P015 · Jan 19, 2022
- [J221P223ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID850993945920220121170312.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P223 · Jan 19, 2022
- [J221P012ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID830560965820220121170248.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P012 · Jan 19, 2022
- [J221P017ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID790634443620220121170251.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P017 · Jan 19, 2022
- [J221P952ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID753914882320220121170319.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P952 · Jan 19, 2022
- [J221P013ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID738597586820220121170249.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P013 · Jan 19, 2022
- [J221P906ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID734588101202201211703160.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P906 · Jan 19, 2022
- [J221P140ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID681025388120220121170306.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P140 · Jan 19, 2022
- [J221P011ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID668723304120220121170247.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P011 · Jan 19, 2022
- [J221P903ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID621257212820220121170313.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P903 · Jan 19, 2022
- [J221P166ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID597745180020220121170311.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P166 · Jan 19, 2022
- [J221P147ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID554977287520220121170308.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P147 · Jan 19, 2022
- [J221P016ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID478867183320220121170251.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P016 · Jan 19, 2022
- [J221P110ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID446682679920220121170258.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P110 · Jan 19, 2022
- [J221P112ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID399225085820220121170259.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P112 · Jan 19, 2022
- [J221P153ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID392463443220220121170309.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P153 · Jan 19, 2022
- [J221P023ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID389893752520220121170256.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P023 · Jan 19, 2022
- [J221P144ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID381956418520220121170307.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P144 · Jan 19, 2022
- [J221P009ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID332083562022012117024701.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P009 · Jan 19, 2022
- [J221P007ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID300048883420220121170245.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P007 · Jan 19, 2022
- [J221P022ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID299938874520220121170255.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P022 · Jan 19, 2022
- [J221P232ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID240893074202201211703130.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P232 · Jan 19, 2022
- [J221P912ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID238221669220220121170317.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P912 · Jan 19, 2022
- [J221P113ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID219890470020220121170300.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P113 · Jan 19, 2022
- [J221P139ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID212905513320220121170305.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P139 · Jan 19, 2022
- [J221P905ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID204787969520220121170315.0001): Packing, Preformed. Aircraft Component Design LLC · PMA PQ2138NE · Replaces J221P905 · Jan 19, 2022

All of them: https://openairdocs.org/engine/ge-ct7-8/pma.md

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