# SDR CALA2026040615066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N2846U](https://openairdocs.org/aircraft/N2846U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 64990
- Aircraft time: 35,509 hours, 3,880 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Seal
- Condition: Leaking
- Location: Idg
- Stage of operation: NR
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026040615066

## Discrepancy

PLACED NR 2 ENGINE ON DIP FOR HOC. CAPPED THE  EDP, MFP, BUG, IDG & HMU DRAIN LINES AND DIP FOR 25 CYCLES PER AMM 71-71-00-700-801-H01.  ENG 2 DUE TO HIGH OIL CONSUMPTION CAPPED THE EDP, MFP, BUG, IDG & HMU DRAIN LINES IAW AMM  71-71-00-700-801-H01 C/W REPAIR WITHIN  25 CYCLES AMM 71-71-00.REPETITIVE  LABOR HOURS: 0003 GROUND TIME: 0006TERMINATING LABOR HOURS: 0036 GROUND TIME: 0040 T/A : WITHIN 25 F/C.RD/U442594 CONFIRMED WITH ESCPP, PER AMM TASK 71-71-00-700-801-H01 NEED TO REPLACE ALL AGB CARBON SEALS FOR COMPONENTS DRAIN LINES THAT WERE CAPPED. REF EGC 8289670, THE DRAIN LINES WERE CAPPED FOR THE EDP, MFP, BUG, IDG, AND HMU. PARTS REQUIRED IN ADDITION TO PARTS REQUIRED 1 EA J1438P145; 1 EA J1438P129; 1 EA 1770M64G04; 1 EA 1769M53P01; 1 EA J1438P136; 1 EA J1438P122; 1 EA 2670M21P02; 1 EA 2205M86P02; 1 EA J1438P153; 1 EA J1438P148 REMOVED AND REPLACED E2 IDG SEAL OL FACE SEAL AND MATING RING REF AMM 72-64-01/401. STILL REQUIRES INSTALLATION TEST 21 - HIGH POWER TOMCQC REV PERFORMED

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.