# SDR NACA2021102300002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2021
- Submitted: October 28, 2021
- Operation: Air carrier
- Aircraft: [N351CM](https://openairdocs.org/aircraft/N351CM), registered now
- Make and model: Boeing 767323
- Aircraft serial: 25199
- Aircraft time: 104,780 hours, 18,557 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: None
- Part number: 7998014
- Part serial: 981204
- Condition: Unknown
- Part time: 599 hours, 270 cycles
- Stage of operation: TO
- 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/NACA2021102300002

## Discrepancy

DISCREPANCY: DUCT PRESSURE GAUGE INDICATES 15 PSI DIFFERENCE BETWEEN RIGHT AND LEFT. RIGHT IS 15 PSI LESS THAN LEFT AT TAKEOFF AND CLIMB POWER. CORRECTIVE ACTION: REMOVED AND REPLACED RH PRSOV IAW AMM 36-11-09. OPS CHECK GROUND CHECK ETOPS VERIFICATON OK.

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