# SDR AALA980052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N702AA](https://openairdocs.org/aircraft/N702AA), registered now
- Make and model: Boeing 727223
- Aircraft serial: 22460
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: 5774441
- Condition: Ruptured
- Location: Aft Fuselage
- Stage of operation: CL
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA980052

## Discrepancy

ORD - FLT 1966 - AFTER TAKEOFF ORD, FLIGHT CREW TURNED ON WING ANTI-ICE AND HEARD A LOUD BANG FOLLOWED BY VIBRATION.  AIRCRAFT RETURNED TO ORD AND LANDED WITHOUT INCIDENT.  CHECK OF AIRCRAFT REVEALED TWO SUPPLY DUCTS RUPTURED.  AIRCRAFT MAINTENANCE REPLACED RUPTURED SUPPLY DUCTS AND AS A PRECAUTION, REPLACED ENGINE BLEED AIR SHUT-OFF VALVE.  SYSTEM GROUND AND LEAKED CHECKED NORMAL OPERATION.  (X)

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