Flight crew of air carrier large transport aircraft experienced 'lost communication' for a brief time period during high altitude cruise.

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Attributes
ACN	232930
Time
Date	199302
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : bna
State Reference	TN
Altitude	msl bound lower : 39000 msl bound upper : 39000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zme
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	cruise other
Route In Use	enroute airway : zme
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 6000 flight time type : 400
ASRS Report	232930
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : less severe other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	aircraft : equipment problem dissipated flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

While flying a scheduled flight from fll to mdw at a point 50 NM east of bna the captain and I (first officer) noticed the center frequency was getting quiet. We attempted a relay with another carrier but were unable. We contacted ZME and were given a handoff to ZID at which point our company sel called us with the same frequency. No conflicts (TCASII equipped) with any other aircraft occurred during the loss of communication and after contact with ZID, the flight was normal.

Original NASA ASRS Text

Title: FLC OF ACR LGT ACFT EXPERIENCED 'LOST COM' FOR A BRIEF TIME PERIOD DURING HIGH ALT CRUISE.

Narrative: WHILE FLYING A SCHEDULED FLT FROM FLL TO MDW AT A POINT 50 NM E OF BNA THE CAPT AND I (FO) NOTICED THE CTR FREQ WAS GETTING QUIET. WE ATTEMPTED A RELAY WITH ANOTHER CARRIER BUT WERE UNABLE. WE CONTACTED ZME AND WERE GIVEN A HDOF TO ZID AT WHICH POINT OUR COMPANY SEL CALLED US WITH THE SAME FREQ. NO CONFLICTS (TCASII EQUIPPED) WITH ANY OTHER ACFT OCCURRED DURING THE LOSS OF COM AND AFTER CONTACT WITH ZID, THE FLT WAS NORMAL.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.