# SDR HALA0800503

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2008
- Submitted: April 9, 2008
- Operation: Air carrier
- Aircraft: N591HA
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 33423
- Aircraft time: 19,921 hours, 3,835 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Low
- Location: Apu
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA0800503

## Discrepancy

ETOPS SIGNIFICANT SYSTEM, ATTEMPTED APU START AFTER LANDING/FAULT LIGHT ILLUMINATED LOWER EICAS SHOWING "ADD" OIL.  BITE CHECK ECU, NO FAULTS NOTED.  SERVICED APU WITH OIL.  GND RUN CHECK OKAY.

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