# SDR CALA2026011913037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2026
- Submitted: January 19, 2026
- Operation: Air carrier
- Aircraft: [N76055](https://openairdocs.org/aircraft/N76055), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29450
- Aircraft time: 95,338 hours, 13,368 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: O-Ring
- Condition: Leaking
- Location: Apu
- Stage of operation: IN
- How discovered: V
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026011913037

## Discrepancy

APU LEAKING FUEL STRONG ODER OF FUEL IN CABIN.  APU FUEL SUPPLY LINE [6] MM 49-31-01-004-001-001 (401) FIG 401 SHEET 2 (SUPPLY TUBE FOR THE IGV ACT AND SURGE CONTROL VALVE LEAKS ). CLEANED RESIDUAL FUEL FROM APU COMP. LINE IS SECURED.  CURRENTLY NO SMELL IN THE CABIN. APU INOP'D IAW MEL 4911D.  CURRENTLY NO FUEL LEAK WITH APU INOPED. WHQLM-EMC ARSHAD. 15JAN26. LCL MAINT IDENTIFIED THAT APU FUEL SUPPLY LINE [6] MM 49-31-01-004-001-001 (401) FIG 401 SHEET 2 (SUPPLY TUBE FOR THE IGV ACT AND SURGE CONTROL VALVE LEAKS ). CLEANED RESIDUAL FUEL FROM APU COMP. LINE IS SUECRED. CURRENTLY NO ODOR IN THE CABIN. APU INOPED PER MEL 4911D. CURRENTLY NO FUEL LEAK WITH APU INOPED.  RAN APU, FOUND APU FUEL CLUSTER SUPPLY TUBE FOR IGV ACTUATOR LEAKING. R & R APU FUEL CLUSTER O-RINGS ON THE SUPPLY TUBES IAW AMM 49-31-01. RAN APU, NO LEAKS NOTED AT THIS TIME.

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