# SDR DL733010985

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2001
- Submitted: June 26, 2001
- Operation: Air carrier
- Aircraft: N221DL
- Make and model: Boeing 737-35B
- Registry model: [Boeing 737-35B](https://openairdocs.org/model/boeing-737-35b) (OpenAirDocs)
- Aircraft serial: 23970
- Aircraft time: 38,424 hours, 18,636 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Failed
- Location: A/C Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL733010985

## Discrepancy

AFTER T/O, A/C WILL NOT PRESSURIZE WITH LEFT PACK IN AUTO AND RT PACK ON DEFERRAL.  REPAIRED RT PACK.  PRESSURIZED AIRCRAFT, OK FOR SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.