# SDR IPXA2026072835996

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2026
- Submitted: July 28, 2026
- Operation: Air carrier
- Aircraft: [N363UP](https://openairdocs.org/aircraft/N363UP), registered now
- Make and model: Boeing 767346
- Aircraft serial: 33494
- Aircraft time: 54,585 hours, 19,423 cycles
- Engine: Ge CF680C2B6F
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Drain Mast
- Part number: 1315M18G04
- Condition: Cracked
- Location: Zone 400
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026072835996

## Discrepancy

CRACKED MAST, NR 1 ENG LWR DRAIN MAST. IAW AMM 71-71-01-024-001-H00, REV 148, AND AMM 71-71-01-424-005-H00, REV.148, REPLACED THE DRAIN MAST OF NR 1 ENGINE.

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