# SDR HALA2009073100345

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2009
- Submitted: August 4, 2009
- 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: 25,144 hours, 4,808 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Transmitter
- Part number: 8TJ9966X1
- Part serial: JV0615
- Condition: Failed
- Location: Apu Oil Qty
- Part time: 25,144 hours, 4,808 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2009073100345

## Discrepancy

ETOPS SIGNIFICANT SYS - AFTER LANDING ATTEMPTED 1 APU START.  APU FAILED TO START.  CHECKED APU STATUS AND APU OIL QTY INDICATED "ADD". REPLACED APU OIL QUANTITY TRANSMITTER IAW AMM 49-94-04.  OPS AND UP CK, LEAK CK, OK.

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