# SDR CALA2026010212586

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2026
- Submitted: January 2, 2026
- Operation: Air carrier
- Aircraft: [N670UA](https://openairdocs.org/aircraft/N670UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29240
- Aircraft time: 92,164 hours, 18,411 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Seal
- Condition: Leaking
- Location: Nr 1 Idg
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026010212586

## Discrepancy

NUMBER 1 ENG OIL QTY SLOWLY REDUCED TO 0 OVR 90 MINS ALL OTHER ENG IND. NORM AT THIS TIME. CAPT REPORTED THE OIL PRESSURE WAS 92 PSI UPON ENG SHUTDOWN AFTER LANDING CREW REPORTED ENG NR 1 OIL PRESSURE DROPPED DOWN TO 90 PSI. ACP'D ENG NR 1 INSPECT FOUND OIL COMING OUT OF VENT DRAIN FOR IDG DRIVE OIL SEAL DRAIN, WHILE THE ENG IS RUNNING. FOUND CORRECT IDG DRIVE SEAL INSTALLED REF IPC 72-61-04 -05 ITEM 45, REPLACED PACKING ON IDG DRIVE SEAL ASSY IAW AMM 24-11-01. REMOVED & REINSTALLED NR 1 ENG IAW AMM 24-11-01 ACCOMPLISHED ENG RUN & LEAK CHECK, OPS CHECK NORMAL  NO LEAKS NOTED UPDATE FOR INSPECTION ACCOMP NR 1 ENG IDG FEEDER CABLE INSTALLATION IAW GMM 09-10-05 MAINT ACTION COMPLETED. ACFT OK FOR SERVICE.

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