# SDR I5PA2026090468814

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2026
- Submitted: October 2, 2026
- Operation: Air carrier
- Aircraft: [N688SL](https://openairdocs.org/aircraft/N688SL), registered now
- Make and model: Boeing 757230
- Aircraft serial: 25140
- Aircraft time: 107,782 hours, 27,521 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: Z, G, J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I5PA2026090468814

## Discrepancy

ETOPS SIGNIFICANT REPORT AND EVENT - LEFT PACK TEMP AND CABIN ALTITUDE EICAS MESSAGE. EMERGENCY DESCENT AND DIVERSION TO ROR - PERFORMED BITE CHECK OF PACK TEMP CONTROLLER AND CABIN PRESSURE CONTROLLER PER AMM. NO FAULTS FOUND, ALL MESSAGES CLEARED.

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