# SDR MEX2004059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2004
- Submitted: July 13, 2004
- Operation: Air carrier
- Aircraft: [N169PL](https://openairdocs.org/aircraft/N169PL), registered now
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53175
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Valve
- Part number: 1059842
- Condition: Failed
- Location: Anti Ice Sys
- Stage of operation: CL
- 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/MEX2004059

## Discrepancy

FLT 610 - CUN-MEX - FLIGHT RETURNED, 'AIR FOIL ICE PROTECT' OUT OF SERVICE AT 31,000 FEET WITH ICING CONDITIONS.  DURING REVISION THE WINGS AND TAIL ANTI-ICE VALVES WERE TESTED AND RELAY R2-189 WAS ADJUSTED.  DURING OVERNIGHT SERVICE THE H3766020 AND 2H378C20 ELECTRIC LINES WERE CHECKED AND RELAY R5-1203 WAS FOUND WITH PINS DAMAGED.  IT WAS REPAIRED IAW WDM 30-11-01 AND ANTI-ICE VALVES WERE REPLACED IAW MM 30-10-02 AND 30-10-03, TEST CORRECT IAW MM 36-10-00. (M)

---
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.