# SDR NACA2022040900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2022
- Submitted: April 14, 2022
- Operation: Air carrier
- Aircraft: N399CM
- Make and model: Boeing 767323
- Aircraft serial: 25451
- Aircraft time: 105,952 hours, 17,740 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: None
- Condition: None
- Stage of operation: NR
- 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/NACA2022040900001

## Discrepancy

LEFT ENGINE PRV STATUS ILLUMINATED. PERFORMED FIM 36-10 FAULT TREE 847. FOUND ONE OF PRV TERMINAL LUG NUT LOOSE. RE-TIGHTENED PRV TERMINAL NUT PER AMM 36-11-18. PERFORMED IDLE RUN ON LEFT ENGINE PER AMM 71-00-00. OPS CHECK GOOD. NO MESSAGES ETOPS VERIFICATION COMPLIED WITH AC REMAINS ETOPS 180

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