# SDR ASAA2020052032734

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2020
- Submitted: May 21, 2020
- Operation: Air carrier
- Aircraft: [N474AS](https://openairdocs.org/aircraft/N474AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40715
- Aircraft time: 19,306 hours, 6,157 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Duct
- Part number: 332A239012
- Condition: Broken
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020052032734

## Discrepancy

#2 ENG INLET COWL ANTI -ICE DUCT HEAT SHIELD BROKEN AT AFT END. GROUNDED - YES. REMOVED AND REPLACED #2 ENG INLET COWL TAI DUCT BETWEEN FAN CASE AND INLET COWL TAI VALVE REF P/P BUILD UP 71-00-02, PERFORMED LEAK CHECK REF B737-900 AMM 30-21-11, LEAK CHECK GOOD.

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