# SDR CALA2026060116719

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2026
- Submitted: June 2, 2026
- Operation: Air carrier
- Aircraft: [N37255](https://openairdocs.org/aircraft/N37255), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30610
- Aircraft time: 77,618 hours, 29,101 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Panel
- Part number: 213A34101
- Condition: Corroded
- Location: Lh Ram Air Door
- Stage of operation: IN
- 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/CALA2026060116719

## Discrepancy

FUSELAGE LEFT SIDE FWD RAM AIR DOOR HAS SIGN S OF CORROSION ON THE INNER STIFFNER CHANNEL.  ALL WORK ACCOMPLISHED ON AAR GSO NON-ROUTINE 9289072.  REMOVED AND REPLACED FWD MODULATION PANEL PER AMM 21-51-23.

---
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.