# SDR ASMF200405024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2004
- Submitted: May 24, 2004
- Operation: Air carrier
- Aircraft: N160PL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49763
- Aircraft time: 42,186 hours, 29,708 cycles
- System (JASC): [2340 · Interphone/Passenger Announcement (PA) System](https://openairdocs.org/jasc/2340)
- Part: Handset
- Part number: 6861000002
- Part serial: 01002
- Condition: Failed
- Location: Interphone
- Part time: 40,417 hours, 28,806 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF200405024

## Discrepancy

AIRCRAFT RETURNED TO PLATFORM, AFT MICROPHONE FAILURE AND CONSTANT CHIME BETWEEN FLIGHT DECK AND PASSENGER CABIN. REPORT WAS DEFERRED IAW MEL 23-8 CAT (B).  DURING TRANSIT CHECK AT MEX, AFT MICROPHONE WAS REPLACED IAW MM 23-40-04, TESTS CORRECT.

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