# SDR DALA2025063004847

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2025
- Submitted: June 30, 2025
- Operation: Air carrier
- Aircraft: [N841MH](https://openairdocs.org/aircraft/N841MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29714
- Aircraft time: 88,602 hours, 14,696 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: O-Ring
- Condition: Leaking
- Location: Zone 100
- Stage of operation: IN
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025063004847

## Discrepancy

CREW NOTED, FUEL SMELL IN CABIN. CORRECTIVE ACTION: FOUND FUEL LEAK AT APU INLET GUIDE VANE SURGE CONT. VALVE SUPPLY LINE. R+R O-RING ON LINE PER B767 AMM 49-31. R+R O-RINGS ON OTHER SUPPLY RETURN + DRAIN LINES AS PRECAUTIONARY MEASURES, PER B767 AMM 49-31. NO LEAKS NOTED.

---
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.