# SDR CALA2026020213486

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N26960](https://openairdocs.org/aircraft/N26960), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 36408
- Aircraft time: 48,292 hours, 4,604 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Bypass Valve
- Part number: 7010128H03
- Part serial: HSC22447
- Condition: Faulted
- Location: Zone 100
- Part time: 34,667 hours, 5,368 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026020213486

## Discrepancy

CONDENSER INLET SENSOR R STATUS MSG DISPLAYED, DUE TO LOW LIMIT VALVE R HAS BEEN DEACTIVED IN OPEN POSITION AS REQUIRED PER DDG 21- 52-05.  ACPD AS REQUIRED PER DDG 21-52-05. REQUESTING MEL CARD 2152BL. TOMC APPROVES MEL 2152BL FOR RH PACK CONDENSOR INLET SENSOR MSG. COMPLIED WITH MEL 2152BL. PLACARD INSTALLED R LOW LIMIT VLV REPLACED ON LP 7736927. CONDENSER INLET SENSOR CONNECTOR RECONNECTED. NO STATUS MESSAGE AND EXISTING FAULT. MEL REVERSED.

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