# SDR P5CA2020021900051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2020
- Submitted: February 19, 2020
- Operation: Air carrier
- Aircraft: N643GT
- Make and model: Boeing 767-3JHF
- Registry model: [Boeing 767-3JHF](https://openairdocs.org/model/boeing-767-3jhf) (OpenAirDocs)
- Aircraft serial: 37809
- Aircraft time: 16,612 hours, 4,574 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Compressor
- Part number: 77328915
- Part serial: 2018041548
- Condition: Failed
- Location: Hp
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2020021900051

## Discrepancy

FUNCTION FAIL - HPC, FOUND NO. 2 ENG HPC BIT 18 CAN'T CHANGE FROM 1 TO 0 WHEN SUPPLY PRESSURE IS 10-18 PSI.(<P>IAW AMM 36-11-08-004-006-007 REV. 129 & AMM 36-11-08-404-014-007 REV. 129.  REPLACED NO. 2 ENG HPC WITH SERVICEABLE PARTS. IAW AMM 36-11-08-404-014-007 REV. 129 PERFORM NO. 2 ENG HPC LEAK CHECK AND BITE TEST RESULT NO LEAK FOUND AND CONDITION CHECK NORMAL.</P>)

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