# SDR DALA2026031601807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2026
- Submitted: March 16, 2026
- Operation: Air carrier
- Aircraft: [N6701](https://openairdocs.org/aircraft/N6701), registered now
- Make and model: Boeing 757232
- Aircraft serial: 30187
- Aircraft time: 76,755 hours, 29,772 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Heat Exchanger
- Condition: Odor
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026031601807

## Discrepancy

RETURN TO GATE AFTER ENGINE START AND INITIAL TAXI DUE TO REPORTS FROM PASSENGERS & FA'S OF A LIGHTER FLUID ODOR IN THE AFT SECTION OF THE CABIN.  REMOVED AND REPLACED PRIMARY AND SECONDARY HEAT EXCHANGER AMM 21-51. LEAK AND OPS CKS OF LT PACK ARE GOOD REF MD LOG 1494940. (8396500) (AIRCRAFT GROUNDED)

---
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.