# Service difficulty reports: GE GENX-1B70/P2

A list on [GE GENX-1B70/P2](https://openairdocs.org/engine/ge-genx-1b70-p2.md).

Newest first. General aviation reporting is voluntary.

- [SDR AALA202608287167](https://openairdocs.org/sdr/AALA202608287167.md): Oil System · leaking · Aug 26, 2026 · N823AN · Boeing 7879 · Turbine Engine Oil System
  > AIRCRAFT WAS GROUNDED: ENGINE NR 2 DID REACH ZERO QTY. ON FINAL OIL PRESSURE NORMAL. DECESION MADE TO DIVERT TO MIA, EMERGENCY DECLARED AND AIRCRAFT LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE FOUND NR 2 ENGINE VFSG R2 GARLOCK SEAL LEAKING OIL. REMOVED A
- [SDR CALA2026080918412](https://openairdocs.org/sdr/CALA2026080918412.md): Carbon Seal · leaking · Aug 7, 2026 · N25982 · Boeing 7879 · Turbine Engine Oil System
  > OIL QTY INDICATION (ENGINE) SHOWS LOW QTY, DEPLETED TO ZERO 9.5 HRS INTO FLT WITH DROP IN PRESSURE. 18 QUARTS OF OIL WERE ADDED TO THE TANK. NOTHING OBVIOUS FOUND DURING THE UNDER COWL VISUAL INSPECTION WITH THE ENGINE NOT RUNNING. RAN LT ENGINE AT POWER A
- [SDR CALA2026063017468](https://openairdocs.org/sdr/CALA2026063017468.md): Guide Vane · damaged · Jun 29, 2026 · N38955 · Boeing 7879 · Turbine Engine Air Inlet Section
  > DURING NR 1 ENGINE WASH, NOTED A 10TH OGV DAMAGED. CONFIRMED 10TH OGV DAMAGED WITH A CRACK MEASSURING 2 INCH. REPLACED AS REQUIRED, AS REFERENCE AMM DMC-B787-A-G72-21-03-01A-520A-A FOR REMOVAL AND AMM DMC-B787-A-G72-21-03-01A-720A-A FOR INSTALLATION. NO FURTH
- [SDR CALA2026063017473](https://openairdocs.org/sdr/CALA2026063017473.md): Acoustic Liner · damaged · Jun 29, 2026 · N38955 · Boeing 7879 · Turbine Engine Air Inlet Section
  > DURING ENGINE NR 1 WASH, NOTED ON ACOUSTIC OUTER PANEL DAMAGED. AT 3 O'CLOCK POSITION. CONFIRMED DAMAGE AT ACOUSTIC OUTER PANEL DAMAGED ABOUT 3 O'CLOCK, MEASURING 18.5"LENGTH X 4.5"WIDE X 1" DEEP. DAMAGE NOT COVERED BY SRM LIMITS. REF AMM DMC-B787-A-G72-21-01
- [SDR 2026F00066](https://openairdocs.org/sdr/2026F00066.md): Seal · leaking · Mar 28, 2026 · N966AM · Boeing 7878 · Accessory Gearboxes
  > LOW OIL QTY INDICATION WITH LOW PRESSURE INDICATION, UNSCHEDULED LANDING, VFSG LH OF ENGINE NR 1 WAS REPLACED IAW AMM DMC B787-A-24-21-09-00B-520A-A/720A-A. ENGINE VENTS AND DRAINS INSPECTION WAS PERFORMED IAW DMC-B787-A-G71-00-00A-280A-A, REPLACEMENT OF
- [SDR ASMF2025111100304](https://openairdocs.org/sdr/ASMF2025111100304.md): Seal · leaking · Nov 2, 2025 · N966AM · Boeing 7878 · Accessory Gearboxes
  > DURING WALKAROUND FOUND SIGNS OF OIL LEAKS COMING FROM HEATER DRAIN VFSG RIGHT PAD ON ENGINE 2. SIX DROPS PER MINUTE. RIGHT VFSG ACCESORY GEARBOX SEAL ENG # 2 WAS REPLACED IAW AMM DMC-787-A-G72-64 -01-00A-520A-A /
- [SDR HALA20251027327](https://openairdocs.org/sdr/HALA20251027327.md): Wire Harness · faulted · Oct 25, 2025 · N783HA · Boeing 7879 · Fire Protection System Wiring
  > ETOPS - ANTI-ICE DUCT LEAK/OVERHEAT DETECTORS ACTIVE FAULT. REMOVED AND REPLACED ENGINE ANTI-ICE ELECTRICAL HARNESS W35 ON NR 2 ENG PER AMM B787-A-30-21-09-00A. OPS CHECK GOOD. NO FAULTS NOTED. OK FOR SVC
- [SDR CALA2025091508915](https://openairdocs.org/sdr/CALA2025091508915.md): Engine · overtemp · Sep 2, 2025 · N12010 · Boeing 78710 · Engine (Turbine/Turboprop)
  > CAUTION RT ENGINE EXCEEDED AN OPERATING LIMIT (AMBER LIMIT FOR EGT OR RED LINE FOR EGT, N1 AND N2) & RT ENGINE IS RUNNING. DB EEC CHAN-B (RT ENG) DB EEC CHAN-A (RT ENG). ENG CONTROLLER & AHM SHOW S/N958671 ON INITIAL CLIMB EGT EXCEEDANCE WAS MAX EGT 1072 DE
- [SDR CALA2025080107213](https://openairdocs.org/sdr/CALA2025080107213.md): Anti-Ice Valve · faulted · Jul 30, 2025 · N14001 · Boeing 78710 · Engine Anti-Icing System
  > EAI PRSOV R RIGHT ENGINE ANTI-ICE (EAI) PRSOV FAILURE. FLT CREW DEBRIEF STATED THAT THE ANTI-ICE MSG WAS PRESENT ON DESCENT JUST AS IT WAS IN CRUISE. REMOVED AND REPLACED EAI PRSOV RT ENGINE IAW AMM 30-21-08, OPS ACCOMPLISHED GVI OF THE ENGINE INLET CAVITY P
- [SDR CALA2025072806975](https://openairdocs.org/sdr/CALA2025072806975.md): Fmu · faulted · Jul 26, 2025 · N27901 · Boeing 7878 · Engine Fuel and Control
  > LEFT ENG EXCEEDENCE FOLLOWED BY FAILURE ON CLIMB, LEFT ENGINE BECAME UNCONTROLLABLE AND SPOOLED UP APROX AT 5K FT DURING CLIMB. FOUND ASSOCIATED MAINTENANCE MESSAGES 73-32671, 73-09603, 73-33931, 77-11411, 76-39351, 73-32901. PERFORMED FIM G73-20-F1-J3A-421A-
- [SDR CALA2025012301972](https://openairdocs.org/sdr/CALA2025012301972.md): Bleed Valve · faulty · Jan 20, 2025 · N29984 · Boeing 7879 · Compressor Bleed Valve
  > REF L/P 3552832, ENG1 TRANSIENT BLEED VALVE REPLACED AT EWR-17JAN25. MAINT SUPV. REQUESTED TO OPEN UP #1 ENGINE AND LOOK FOR A SQUARE PORTABLE LIGHT WHICH MAY HAVE BEEN LEFT IN THE ENGINE COMPARTMENT DURING MAINT. REPORT FINDINGS. WHQLM-EMC ARSHAD. 20JAN25. #
- [SDR CALA2024112602954](https://openairdocs.org/sdr/CALA2024112602954.md): Plug · detached · Nov 25, 2024 · N19986 · Boeing 7879 · Turbine Engine Compressor Section
  > PDA 2 #1 ENGINE, UPON CLOSING BORO PLUG FELL OUT OF REVERSER COWLING,PICTURES INCLUDED. ACPD BOROSCOPE INSPECTION LPC THRU PORT C NO DEFECTS FOUND OK TO INSTALL PLUG. ADD PICTURES CORRECTION BORO PLUG "C" REINSTALLED BORO PLUG C REF. AMM G72-00-00- 05A - 7
- [SDR CALA2024111101097](https://openairdocs.org/sdr/CALA2024111101097.md): Concentrator · faulty · Nov 11, 2024 · N29981 · Boeing 7879 · Engine Indicating System
  > STATUS MSG MEDC LEFT CHANNEL A FAULTED CAUSING MULTIPLE STATUS MESSAGES AND THE INABILITY TO TURN OFF THE LEFT EAI VALVE. REF IPD 26-10-01-020-941A ITEM #730. MEDC P/N 30295-0101. VERIFIED L ENG MEDC S/W # GRH5C-0118-9101 INSTALLED. REMOVED AND REPLACED MED
- [SDR AALA202410034731](https://openairdocs.org/sdr/AALA202410034731.md): Oil System · leaking · Oct 1, 2024 · N817AN · Boeing 7878 · Turbine Engine Oil System
  > AIRCRAFT WAS GROUNDED: OIL QTY #2 WENT FROM 20QTS TO 3QTS IN 2.5 HRS. AIRCRAFT RETURNED TO HND AND AN AMERGENCY WAS DECLARED LANDED WITH BOTH ENGINES AND WITHOUT INCIDENT. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)
- [SDR AALA202410044731](https://openairdocs.org/sdr/AALA202410044731.md): Seal · leaking · Oct 1, 2024 · N817AN · Boeing 7878 · Turbine Engine Oil System
  > AIRCRAFT WAS GROUNDED: OIL QTY #2 WENT FROM 20QTS TO 3QTS IN 2.5 HRS. AIRCRAFT RETRUND TO HND AND AN AMERGENCY WAS DECLARED LANDED WITH BOTH ENGINES AND WITHOUT INCIDENT. MAINTENANCE FOUND OILD DRIP AT R ENG DRAIN MAST MFP TBV PORT. REPLACED AGB MFP SEAL IAW
- [SDR AALA2019123199017](https://openairdocs.org/sdr/AALA2019123199017.md): Blade · damaged · Dec 18, 2019 · N810AN · Boeing 7878 · Turbine Engine Compressor Section
  > AIRCRAFT WAS GROUNDED: PILOT REPORTS CLIMBING THRU 8-9000FT LARGE BANG LEFT ENGINE WITH A/C SHAKING, INDICATIONS INDICATED ENGINE SHUTTING DOWN. CHECK LIST FOLLOWED TO SHUT DOWN ENGINE. F/A REPORTS LARGE BANG WITH ELECTRIC POWER LEFT SIDE GOING OFF. EMERGENCY
- [SDR CALA2019042600653](https://openairdocs.org/sdr/CALA2019042600653.md): Cover · cracked · Apr 26, 2019 · N26909 · Boeing 7878 · Engine Thrust Reverser
  > PDA 2 NUMBER 2 ENGINE INDB LWR POSITION BLOCKER DOOR HINGE PANEL BROKE N OFF. CDL 78 AE COMPLIED WITH. PLEASE REFER TO LOG PAGE 3081272 FOR FALLS IN PDA CAT 2 IAW GMM 02-30-95. BLOCKER DOOR HAS BEEN ADD EMP:U330292 R/H ENG TR DEACTIVATION. MISSING BLOCKER DOO
- [SDR ASMF20161216004](https://openairdocs.org/sdr/ASMF20161216004.md): Seal · leaking · Oct 26, 2016 · N967AM · Boeing 7878 · Accessory Gearboxes
  > DURING OVERNIGHT CHECK AND THE EO 8772004 ISSUED TO REPLACE THE TRANSFER GEARBOX (TGB) ON BOTH ENGINES, MAINTENANCE PERSONNEL DETECTED OIL LEAK IN RIGHT TGB SLEEVE; SO THE RIGHT TGB SLEEVE SEALS WERE REPLACED IAW AMM DMC-B787-A-G72-01-00A-520A-A AND TEST 4 PAR

## 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 engine_model_key = 'GENX1B70P2'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/ge-genx-1b70-p2/reports

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