# SDR ASAA2015010310123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2015
- Submitted: January 9, 2015
- Operation: Air carrier
- Aircraft: [N435AS](https://openairdocs.org/aircraft/N435AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43292
- Aircraft time: 4,655 hours, 1,521 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Part number: 510901601
- Part serial: 5109016000281
- Condition: Unsecure
- Location: E/E Bay
- Part time: 4,727 hours, 1,507 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015010310123

## Discrepancy

RIGHT "RAM DOOR FULL OPEN" LIGHT ILLUMINATED AT CRUISE.  ACFT GROUNDED.   FOUND MULTIPLE FAULTS & NOTICED THE ZONE 2 TEMP CONTROLLER WAS UNSEATED, OUT OF PLACE BY .2500.  SEATED ZONE 2 TEMP CONTROLLER & SECURED WITH LOCK KNOBS.  ZONE TEMP CONTROLLER INTERROGATION GOOD 4 TIMES, IAW AMM 21-61-00.

---
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.