# SDR AALA202506182667

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2025
- Submitted: June 18, 2025
- Operation: Air carrier
- Aircraft: [N947AN](https://openairdocs.org/aircraft/N947AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29536
- Aircraft time: 69,741 hours, 29,441 cycles
- System (JASC): [7597 · Engine Bleed Air System Wiring](https://openairdocs.org/jasc/7597)
- Part: Wire Harness
- Part number: 3250268010
- Condition: Faulted
- Location: Zone 400
- Stage of operation: CR
- 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/AALA202506182667

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: WHILE IN CRUISE FLIGHT AT FL330, ICING CONDITIONS WERE ENCOUNTERED AND ENGINE ANTI-ICE WAS TURNED ON. THE NUMBER 1 ENGINE BLUE COWL VALVE OPEN LIGHT ILLUMINATED BRIGHT AND DID NOT DIM. SHORTLY THERE AFTER, THE AMBER INDICATION ILLUMINATED ABOVE THE ENGINE NUMBER 1 N1. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CLT.   REMOVED AND REPLACED ENGINE HARNESS MW0313, PER AMM 71-51-03-400-801-FOO, LEAK AND OPERATIONAL CHECKS COWL ANTI-ICE NUMBER 1 ENGINE GOOD.

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