# SDR 2001F00731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2001
- Submitted: December 11, 2001
- Operation: Air carrier
- Aircraft: [N804MA](https://openairdocs.org/aircraft/N804MA), registered now
- Make and model: Boeing 727225
- Aircraft serial: 22435
- System (JASC): [2340 · Interphone/Passenger Announcement (PA) System](https://openairdocs.org/jasc/2340)
- Part: Accessory Unit
- Part number: 656021032
- Condition: Inoperative
- Location: E/E Bay
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001F00731

## Discrepancy

ON PREFLIGHT TRANSIT, FOUND COCKPIT EMERGENCY INTERPHONE INOPERATIVE.  TROUBLE SHOT SYSTEM AND FOUND NR 2 AUDIO ACCESSORY UNIT INOPERATIVE.  REMOVED AND REPLACED NR 2 AUDIO ACCESSORY UNIT IAW 24-41-01.  OPS CHECK GOOD.  RETURNED AIRCRAFT TO SERVICE.  (M)

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