# SDR CALA2023101103030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2023
- Submitted: October 11, 2023
- Operation: Air carrier
- Aircraft: [N657UA](https://openairdocs.org/aircraft/N657UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27112
- Aircraft time: 118,902 hours, 18,358 cycles
- System (JASC): [3000 · Ice/Rain Protection System](https://openairdocs.org/jasc/3000)
- Part: Nozzle
- Part number: UNKNOWN
- Part serial: NA
- Condition: Leaking
- Location: Windshield
- Stage of operation: TX
- How discovered: V
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023101103030

## Discrepancy

OBSERVED SMOKE/STEAM COMING ACROSS CAPTAINS WINDOWS. 4 SEPERATE OCCURANCES. WX CLEAR. PERFORMED VISUAL CHECK OF TAT PROBE AS WELL AS FUNCTIONAL CHECK OF TAT PROBE HEAT REF AMM 30-33-00-715-010. TEST PASSED, NO DEFECTS NOTED. PERFORMED RAIN REPELLENT OPS CHECK WITH ENGINES RUNNING ABOVE IDLE IN REF. TO AMM 30-43-00 FOUND AIR LEAK COMING FROM BOTH WINDSHIELD RAIN NOZZLES. SYSTEM WAS PREVIOUSLY DEACTIVATED. INSPECTED AND FOUND MOISTURE IN TUBE ASSEMBLY LEADING INTO RAIN REPELLENT SYSTEM REF AIPC 34-12-52-01. PURGED LINE FROM AIPC34-1 2-52-01 ITEM 170 TO 770 UNTIL CLEAR OF MOISTURE. PURGED LINE FRO M ITEM 175 UP TP NOZZLES, NO MOISTURE PRESENT. RECONNECTED AND P ADD EMP:U414805 PERFORMED LEAK CHECK OF PNEUMATIC SYSTEM REF AMM36-00-00. NO LEAK S OR MOISTURE NOTED. PERFORMED TAT PROBE HEAT TEST REF AMM30-33- 00-715-010 NO ISSUES NOTED. RAN ENGINES NO ISSUES NOTED.

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