# SDR HALA2011052600227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2011
- Submitted: May 26, 2011
- Operation: Air carrier
- Aircraft: N580HA
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28140
- Aircraft time: 35,240 hours, 6,656 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Line
- Condition: Loose
- Location: Compressor
- 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/HALA2011052600227

## Discrepancy

ETOPS SIGNIFICANT SYS - APU BLEED AIR PRESSURE FLUCTUATES BETWEEN 5-10 PSI ON GROUND.  PERFORMED BFIM 49-11-00, FIG 119 FOUND COMPRESSOR SENSE LINE AT MANIFOLD.  RETORQUED LINE AND PERFORMED OPS CHECK OF APU PNEUNATICS WITH NO FLUCTUATION NOTED WITH SYSTEM LOADED OR UNLOADED.

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