23-44 CABIN AND SERVICE INTERPHONE

23-44-00 CABIN AND SERVICE INTERPHONE

PB.201 CABIN AND SERVICE INTERPHONE - FAULT ISOLATION PROCEDURES
- 23-44-00-810-801-A [8]
  Fault of the Communication between the Cockpit/Cabin and an Outboard Service Interphone Station
- 23-44-00-810-802-A [8]
  Abnormal Noise heard from the Cabin Interphone/PA System and/or a Permenant Message SERV INT IN USE shown or Spuriously Displayed on the AIPs
- 23-44-00-810-806-A [8]
  Loss of Service Interphone data at the director