# Service difficulty reports: JASC 7120

A list on [JASC 7120](https://openairdocs.org/jasc/7120.md).

Reports filed under 7120 · Engine Mount Section, newest first.

Page 1 of 61 · 3,028 reports

- [SDR DALA2026101905732](https://openairdocs.org/sdr/DALA2026101905732.md): Mount · damaged · Oct 17, 2026 · N430DX · Airbus A330941
  > FWD MOUNT FAILED FAILSAFE PIN CHECK ON ESN 075221. REPLACED ENGINE MOUNT PER A330 AMM 71-21. (1870925) AIRCRAFT WAS GROUNDED.
- [SDR ICRR202610090001](https://openairdocs.org/sdr/ICRR202610090001.md): Thrust Shaft · abnormal · Oct 9, 2026 · Cndair CL600*
  > FAILED MAGNETIC PARTICLE INSPECTION - SUBSURFACE INDICATIONS FOUND ON THE THRUST SHAFT.
- [SDR UIEA2026100600954](https://openairdocs.org/sdr/UIEA2026100600954.md): Mount · cracked · Oct 7, 2026 · N486MC · Boeing 74745EF
  > FOUND CRACK INDICATION DURING OPEN HOLE INSPECTION IN OTBD BARREL NUT BORE OF #2 PYLON AFT ENGINE MOUNT BULKHEAD FITTING ASSY.(<P>NACELLE STRUT NO.2 AFT ENGINE MOUNT BULKHEAD OUTBOARD BARREL NUT BORE REWORKED IAW EN # 3743-26 REV 0. NO FURTHER DEFECTS NOTED.
- [SDR YN8R2026100600815](https://openairdocs.org/sdr/YN8R2026100600815.md): Mount · cracked · Oct 6, 2026 · N425CC · Cessna 425
  > DURING THE PHASE 32, SENT THE ENGINE AND NACELLE TRUSSES OUT FOR NDI PER 5-14-22. THE ENGINE MOUNTS ARE NOT CALLED OUT FOR NDI INSPECTIONS DURING ANY PHASE. SENT THE ENGINE MOUNTS FOR NDI AS WELL THOUGH, DUE TO PREVIOUS FINDINGS OF CRACKS IN THE MOUNTS. IT WAS
- [SDR AALA202609276525](https://openairdocs.org/sdr/AALA202609276525.md): Thrust Link · damaged · Sep 25, 2026 · N717UW · Airbus A319112
  > AIRCRAFT IN BASE MAINTENANCE: LEFT ENGINE FORWARD MOUNT INBOARD THRUST LINK DAMAGED BY THE ANTI-ROTATION CLIP CONTACTING THE LINK AT THE FORWARD END - REPLACED FORWARD MOUNT INBOARD THRUST LINK PER AMM 71-21-11
- [SDR ICRR202609140001](https://openairdocs.org/sdr/ICRR202609140001.md): Thrust Shaft · abnormal · Sep 14, 2026 · Cndair CL600*
  > FAILED MAGNETIC PARTICLE INSPECTION. SUBSURFACE INDICATIONS FOUND
- [SDR AALA202609102731](https://openairdocs.org/sdr/AALA202609102731.md): Thrust Link · nicked · Sep 9, 2026 · N801AW · Airbus A319132
  > AIRCRAFT IN BASE MAINTENANCE: ENGINE 1 FORWARD MOUNT INBOARD THRUST LINK HAS NICK ON FORWARD ROD END OUTBOARD SIDE LOWER EDGE - MAINTENANCE REPLACED THE THRUST LINKPER AMM 71-21-12
- [SDR IPXA2026101228909](https://openairdocs.org/sdr/IPXA2026101228909.md): Mount · corroded · Sep 7, 2026 · N153UP · Airbus A300F4622R
  > NR 1 ENGINE PYLON AFT ENGINE MOUNT HAS CORROSION ON THE MATING SURFACE. CLEANED SURFACE CORROSION IAW SRM 51-74-10. REAMED HOLE TO REMOVE DAMAGE IAW SRM 51-40-44. INSTALLED NEW NR 1 ENG AFT ENG MOUNT ASSY(ATTACH FITTING) IAW AMM 54-51-85/401. WITNESSED THE I
- [SDR SWAA2026090301846](https://openairdocs.org/sdr/SWAA2026090301846.md): Strut · cracked · Aug 30, 2026 · N218WN · Boeing 7377H4
  > NR 1 ENGINE TURBINE REAR FRAME HAD A CRACK ON STRUT NR 15 AT C2, LOCATION MEASURING 0.0895" CW EA M-21-172-00808 NR 1 ENG TURBINE REAR FRAME TO REINSP EVERY 4700CYC
- [SDR HNAA2026100500946](https://openairdocs.org/sdr/HNAA2026100500946.md): Yoke · damaged · Aug 28, 2026 · N653AE · Emb EMB145LR
  > PYLON YOKE 2 UPPER FLANGE, LT & RT FWD RIVET HOLES ELONGATED. UPSIZED HOLES, INSTALLED BUSHINGS AND RIVETS IAW SB 145-54-0008
- [SDR 2026FA0000660](https://openairdocs.org/sdr/2026FA0000660.md): Nut · sheared · Aug 20, 2026 · N60WU · Piper PA44180
  > DURING THE AIRCRAFT'S FIRST 100 HOUR INSPECTION, THERE IS TASK TO RETORQUE THE ENGINE MOUNT-TO-FIREWALL BOLTS AS SPECIFIED IN MAINTENANCE MANUAL 71-00-00, FIGURE 1. DURING TORQUE CHECK, FOUND MULTIPLE NUTS UNDER-TORQUED AND ONE NUT THAT FAILED, SHEARING INTO M
- [SDR SWAA2026082736697](https://openairdocs.org/sdr/SWAA2026082736697.md): Mount · corroded · Jul 31, 2026 · N8546V · Boeing 7378H4
  > #2 ENGINE FWD ENGINE MOUNT HAS EXTENSIVE FRETTING CORROSION ON THE HANGAR FITTING AND FAN CASE FITTING AT THE OUTBOARD SIDE LINK UPPER AND LOWER ATTACH BOLTS. REMOVED AND REPLACED #2 ENG FWD MOUNT IAW 771-021-00-01 REFERENCE TTG8Q01DJXC4 FOR PARTS INFORMATION
- [SDR HNAA2026082400775](https://openairdocs.org/sdr/HNAA2026082400775.md): Yoke · cracked · Jul 24, 2026 · N925AE · Emb EMB145LR
  > LEFT ENGINE PYLON LOWER FWD YOKE CRACKED. R & R YOKE IAW SRM 51-40-02.
- [SDR ICRR202607220004](https://openairdocs.org/sdr/ICRR202607220004.md): Thrust Shaft · abnormal · Jul 22, 2026 · Cndair CL600*
  > FAILED MAGNETIC PARTICLE INSPECTION - LINEAR INDICATIONS FOUND
- [SDR ICRR202607220003](https://openairdocs.org/sdr/ICRR202607220003.md): Thrust Shaft · abnormal · Jul 22, 2026 · Cndair CL600*
  > FAILED MAGNETIC PARTICLE INSPECTION - LINEAR INDICATIONS FOUND
- [SDR ICRR202607220002](https://openairdocs.org/sdr/ICRR202607220002.md): Thrust Shaft · abnormal · Jul 22, 2026 · Cndair CL600*
  > FAILED MAGNETIC PARTICLE INSPECTION - LINEAR INDICATIONS FOUND
- [SDR ICRR202607220001](https://openairdocs.org/sdr/ICRR202607220001.md): Thrust Shaft · abnormal · Jul 22, 2026 · Cndair CL600*
  > FAILED MAGNETIC PARTICLE INSPECTION - LINEAR INDICATIONS FOUND
- [SDR AALA202607202616](https://openairdocs.org/sdr/AALA202607202616.md): Link · worn · Jul 16, 2026 · N105UW · Airbus A320214
  > AIRCRAFT IN BASE MAINTENANCE: RIGHT ENGINE AFT MOUNT OUTBOARD LINK IS WORN. MAINTENANCE REPLACED THE RIGHT ENGINE AFT MOUNT ASSEMBLY PER AMM 71-22-11.
- [SDR HNAA2026081400718](https://openairdocs.org/sdr/HNAA2026081400718.md): Yoke · cracked · Jul 9, 2026 · N942LL · Emb EMB145LR
  > R/H ENGINE LOWER FWD ENGINE YOKE FITTING HAS A CRACK. REMOVED AND REPLACED CRACKED RH ENGINE LOWER FWD ENGINE YOKE FITTING IAW PDT FCD1-54-21-0017D AND REMOVED AND REPLACED RH ENGINE LOWER AFT YOKE FITTING, AND RH ENGINE UPPER FWD AND AFT YOKE FITTING IAW PDT
- [SDR ICRR202607070002](https://openairdocs.org/sdr/ICRR202607070002.md): Thrust Shaft · cracked · Jul 7, 2026 · Cndair CL600*
  > FAILED MAGNETIC PARTICLE INSPECTION - SUBSURFACE INDICATIONS FOUND
- [SDR ICRR202607070001](https://openairdocs.org/sdr/ICRR202607070001.md): Thrust Shaft · cracked · Jul 7, 2026 · Cndair CL600*
  > FAILED MAGNETIC PARTICLE INSPECTION. SUBSURFACE INDICATIONS FOUND
- [SDR ICRR202606240001](https://openairdocs.org/sdr/ICRR202606240001.md): Thrust Link · abnormal · Jun 24, 2026 · Boeing 737
  > MAGNETIC PARTICLE INSPECTION FAILED DUE TO SUBSURFACE INDICATION (SOPM 20-20-01).
- [SDR 2026FA0000530](https://openairdocs.org/sdr/2026FA0000530.md): Mount · out of position · Jun 19, 2026 · N71Z · Gulstm GVI
  > DURING LT PYLON ACCESS FOR ACB001, IT WAS NOTICED THAT THE LT ENIGNE UPPER AFT ENGINE MOUNT ANTI ROTATION DEVICE (FWD SIDE) WAS ROTATED OUT OF POSITION. WITH A SLIGHT MANIPULATION OF THE ENGINE MOUNT TVA (FWD SIDE) THE ANTI ROTATION DEVICE BECAME LOOSE WHICH
- [SDR ICRR202606090003](https://openairdocs.org/sdr/ICRR202606090003.md): Shaft · abnormal · Jun 9, 2026 · Cndair CL600*
  > FAILED MPI INSPECTION
- [SDR ICRR202606090002](https://openairdocs.org/sdr/ICRR202606090002.md): Shaft · abnormal · Jun 9, 2026 · Cndair CL600*
  > FAILED MPI INSPECTION
- [SDR ICRR202606090001](https://openairdocs.org/sdr/ICRR202606090001.md): Shaft · abnormal · Jun 9, 2026 · Cndair CL600*
  > FAILED MPI INSPECTION
- [SDR 2026FA0000405](https://openairdocs.org/sdr/2026FA0000405.md): Mount · broken · May 19, 2026 · N9974Q · Piper PA18135
  > ENGINE MOUNT COMPLETE BROKEN IN TWO PARTS.
- [SDR ICRR202605150001](https://openairdocs.org/sdr/ICRR202605150001.md): Link · cracked · May 15, 2026 · Cndair CL6002B19
  > CRACK DISCOVERED DURING ULTRASONIC INSPECTION.
- [SDR IPXA2026060232065](https://openairdocs.org/sdr/IPXA2026060232065.md): Mount · gouged · May 11, 2026 · N412UP · Boeing 75724APF
  > NR 2 ENG AFT MOUNT HAS CHIPPED MATERIAL ON UPPER SURFACE, FLL-0035, ATA 71. ACCOMPLISHED REPAIR PER EO-97541-REQ1 AND VT-SAA EA 757-7121-01-B0744 REV I/R.
- [SDR IPXA2026060289725](https://openairdocs.org/sdr/IPXA2026060289725.md): Mount · damaged · May 8, 2026 · N145UP · Airbus A300F4622R
  > REMOVE AND ROUTE FITTING (#1 ENGINE MOUNT) P/N A5461092600000. FROM A/C N145UP TO N141UP. INSTALLATION OF THE AFT FITTING MOUNT PER AMM 54-51-85/401. ACCOMPLISHED REPAIR IN ACCORDANCE WITH EO-97566-REQ1 AND VT-MAE EA 300-5451-27-A4492, REV. _.
- [SDR VNAA2026050417002](https://openairdocs.org/sdr/VNAA2026050417002.md): Pin · loose · Apr 24, 2026 · N587NN · Cndair CL6002D24
  > RIGHT ENG VIBE BETWEEN 1.5-1.9 CONTINUOUSLY. RAN QRH PROCEEDURE 3 TIMES. WHEN WE DECREASED POWER VIBES INCREASED TO 1.9; IN CLIMB DETENT VIBES DECREASED. REMOVED AND REPLACED RH ENGINE FAN BLADE PINS IAW CRJ 900 AMM 12-20-72-640-803-A01. PERFORMED VIBRATION R
- [SDR IPXA2026060456403](https://openairdocs.org/sdr/IPXA2026060456403.md): Mount · damaged · Apr 17, 2026 · N144UP · Airbus A300F4622R
  > NR 1 ENGINE, AFT MOTOR ATTACH FITTING HAS CORROSION AND PITTING ON MATTING SURFACE ALL RII STEPS C/W REF GMM CH4. WITNESSED INSTALL AND VERIFIED CRITICAL TORQUE STEPS OK FOR INSTALL.
- [SDR HNAA2026052000429](https://openairdocs.org/sdr/HNAA2026052000429.md): Yoke · cracked · Apr 9, 2026 · N655AE · Emb EMB145LR
  > RIGHT ENGINE YOKE LOWER FWD FITTING HAS A POSSIBLE CRACK. REMOVED AND REPLACED CRACKED RT ENGINE YOKE LOWER FWD FITTING IAW PDT FCD1-54-21-0017 REV D.
- [SDR SWAA2026050687867](https://openairdocs.org/sdr/SWAA2026050687867.md): Mount · corroded · Apr 9, 2026 · N8531Q · Boeing 7378H4
  > NR 2 ENGINE AFT MOUNT HAS EVIDENCE OF FRETTING ON THE OUTBOARD LINK AT TRF ATTACHMENT. REMOVED NR 2 ENGINE AFT MOUNT IAW AMM 71-21-03. INSTALLED NR 2 ENGINE AFT MOUNT IAW AMM 71-21-03. INSTALLED INBD AND OB THRUST LINKS ONTO NR 2 ENGINE AFT MOUNT IAW AMM 71
- [SDR SWIA2026031477512](https://openairdocs.org/sdr/SWIA2026031477512.md): Thrust Shaft · loose · Mar 14, 2026 · N611SK · Cndair CL6002C10
  > BEFORE REMOVING HI-LOKS ON LT & RT ENGINES AFT MOUNT, AFT SIDE OF THRUST SHAFT HOLE STARTED TO SPIN. CONFIRMED LT & RT ENGINE AFT MOUNT THRUST AFT FASTENERS HOLES ARE WITHIN LIMITS. DURING INVESTIGATION NOTED HOLE 4 RT LWR HOLE TO HAVE DAMAGE IN COUNTER BOR
- [SDR ICRR202603110002](https://openairdocs.org/sdr/ICRR202603110002.md): Shaft · abnormal · Mar 11, 2026 · Cndair CL600*
  > SUBSURFACE INDICATION DISCOVERED DURING MAGNETIC PARTICLE INSPECTION
- [SDR ICRR202603110001](https://openairdocs.org/sdr/ICRR202603110001.md): Shaft · cracked · Mar 11, 2026 · Cndair CL600*
  > CRACK WAS FOUND DURING MAGNETIC PARTICLE INSPECTION ON THE THRUST SHAFT OF THE ENGINE MOUNT.
- [SDR 2026FA0000158](https://openairdocs.org/sdr/2026FA0000158.md): Mount · corroded · Mar 5, 2026 · N759QH · Cessna 182Q
  > THE DISSIMILAR METAL TAPE SUPPLIED IN STC SA00496SE (U-LINE ELECTRICAL TAPE) IS CAUSING CORROSION ON THE ENGINE MOUNT TO THE POINT OF REPLACING THE ENGINE MOUNT WITH IN 500-100HRS AFTER INSTALLING THE STC. THIS HAS HAPPENED ON THREE OF OUR FLEET AIRCRAFT IN TH
- [SDR 2026FA0000136](https://openairdocs.org/sdr/2026FA0000136.md): Block · cracked · Feb 18, 2026 · N248T · Tecnam P2006T
  > CRACKING AND SEPARATION OF RUBBER ON ENGINE MOUNTING BLOCK HAS CAUSED EXCESSIVE VIBRATION, RESULTING OF MOUNTING THROUGH BOLT REPEATEDLY DIGGING INTO AND DENTING ENGINE MOUNTING FRAME.
- [SDR AALA202602134076](https://openairdocs.org/sdr/AALA202602134076.md): Pin · gouged · Feb 12, 2026 · N987AM · Airbus A321231
  > AIRCRAFT IN BASE MAINTENANCE: LEFT ENGINE AFT ENGINE MOUNT INBOARD UPPER INNER PIN HAS GOUGES/SURFACE DEFORMED. REPLACED PIN PER TASK CARD 26C45071001.
- [SDR VNAA202602090064](https://openairdocs.org/sdr/VNAA202602090064.md): Mount · damaged · Feb 10, 2026 · N510AE · Cndair CL6002C10
  > R/H FWD ENGINE MOUNT HAS DAMAGE ON LOWER FITTING MARKED WITH RED TAPE,
- [SDR SWAA2026031170227](https://openairdocs.org/sdr/SWAA2026031170227.md): Mount · corroded · Feb 5, 2026 · N8525S · Boeing 7378H4
  > NR 2 ENGINE AFT MOUNT HAS EVIDENCE OF FRETTING ON THE OUTBOARD LINK AT TRF ATTACHMENT. REMOVED AND INSTALLED NEW AFT ENGINE MOUNT IAW MT 771-021-00-03.
- [SDR SWAA2026030267995](https://openairdocs.org/sdr/SWAA2026030267995.md): Mount · corroded · Feb 5, 2026 · N8532S · Boeing 7378H4
  > NR 1 ENGINE FWD MOUNT HAD EVIDENCE OF FRETTING AT THE OTBD LINK ASSEMBLY UPPER AND LOWER ATTACH BOLTS. R & R THE NR 1 ENGINE FWD ENGINE MOUNT ASSEMBLY IAW AMM 71-21-01.
- [SDR SWIA2026012875732](https://openairdocs.org/sdr/SWIA2026012875732.md): Yoke · gouged · Jan 28, 2026 · N952SW · Cndair CL6002B19
  > ORDERED AND RECEIVED RT ENGINE FWD MOUNT YOKE 601370158, S/N) WITH GOUGES. RECEIVED REO 601R-71-21-082 REV -- DATE 2026-02-23. COMPLIED WITH REO 601R-71-21-082 REV -- DATE 2026-02-23 STEP 1-5. ENSURED BLEND-OUT WAS PERFORMED IAW GENERIC REO 601R-71-21-005 REV
- [SDR SWIA2021012376013](https://openairdocs.org/sdr/SWIA2021012376013.md): Link · damaged · Jan 23, 2026 · N448SW · Cndair CL6002B19
  > MX REQUESTS REMOVAL AND REPLACEMENT OF LH ENGINE FWD YOKE LINK. REMOVED AND REPLACED LT ENGINE FWD YOKE LINK IN REFERENCE TO AMM 71-21-01. REF CP CP 22184438-1 FOR TASK CARD.
- [SDR DALA2026012000420](https://openairdocs.org/sdr/DALA2026012000420.md): Bushing · missing · Jan 17, 2026 · N654DL · Boeing 757232
  > NUMBER 2 ENGINE PYLON BULKHEAD, AFT ENGINE MOUNT FORWARD SHEAR PIN BUSHING NOT INSTALLED. PERFORMED FPI ON AFT ENGINE MOUNT FORWARD SHEAR PIN BORE REF. SOPM 20-20-02 & DAL P.S. 900-6-3 NO.2, REAMED FORWARD SHEAR PIN BORE TO.9535" IAW SRM 54-51-02- 2R-2. PER
- [SDR CALA2026011913086](https://openairdocs.org/sdr/CALA2026011913086.md): Pin · corroded · Jan 14, 2026 · N853UA · Airbus A319131
  > NR 1 ENGINE AFT MOUNT LOWER INBD, CENTER,OTBD INNER PINS & OTBD UPPER INNER PIN ARE CORRODED [04 PINS]. REPLACED NR 1 ENG AFT LOWER & UPPER, INNER PINS (INBD, CENTER & OTBD (4 PINS) IAW AMM 71-22-400-010-A.
- [SDR 2026FA0000006](https://openairdocs.org/sdr/2026FA0000006.md): Mount · cracked · Jan 7, 2026 · N353ES · Cessna 425
  > DURING MINOR PHASE INSPECTIONS, THE RH ENGINE OUTBOARD ENGINE MOUNT P/N: 5951048-2 WAS VISUALLY FOUND TO BE CRACKED. AFTER DEFECT WAS FOUND, ENGINE REMOVAL TOOK PLACE TO INSPECT THE REMAINING TWO ENGINE MOUNTS AND THE FWD. ENGINE TRUSS. NO VISUAL DEFECTS WERE
- [SDR COEA2026042815801](https://openairdocs.org/sdr/COEA2026042815801.md): Mount · excess play · Jan 5, 2026 · N801FX · Aerosp ATR72212
  > L/H NACELLE SPINE COWL FORWARD ATTACH POINT TO THE ENGINE MOUNT TUBE HAS PLAY. REPAIR PER ATR72 SRM 541162-300-801-A01 REV. 121.
- [SDR CALA2025122912465](https://openairdocs.org/sdr/CALA2025122912465.md): Crossbeam · worn · Dec 19, 2025 · N451UA · Airbus A320232
  > NUMBER 1 ENG PNEUMATIC FLEX LINE CHAFING DEEPLY INTO FWD ENG MOUNT LT THRUST LINK AND MOUNT CROSSBEAM OTBD EDGE RADIUS. REMOVED AND REPLACED ENGINE 1 FWD MOUNT IAW AMM 71-21-1 2-000-011-A, AND AMM 71-21-12-400-011-A.

Next page: https://openairdocs.org/jasc/7120/reports.md?page=2

## 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 jasc_code = '7120'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7120/reports

---
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