# SDR DALA2023100308135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2023
- Submitted: October 3, 2023
- Operation: Air carrier
- Aircraft: [N177DN](https://openairdocs.org/aircraft/N177DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 25122
- Aircraft time: 138,443 hours, 19,889 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023100308135

## Discrepancy

SHIP 0177 -DIV- DUE TO LOSS OF LT PNEUMATIC BLEED WITH ICING CONDITIONS ENROUTE. CORRECTIVE ACTION: R/R PRV CONTROLLER. REPLACED PRSOV PER AMM 36-11. REPLACED RELAY K1128. OPS CHECK GOOD. (4536940)

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