B757-200 flight crew discovers domestic vice overwater communication selector panel at captain's station. The domestic unit provided no capability to utilize HF radios.

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Attributes
ACN	785925
Time
Date	200805
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ord.airport
State Reference	IL
Altitude	agl single value : 0
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	ground : preflight ground : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 130 flight time total : 9800 flight time type : 3448
ASRS Report	785925
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 110 flight time total : 16500 flight time type : 600
ASRS Report	785922
Events
Anomaly	aircraft equipment problem : less severe maintenance problem : improper maintenance non adherence : far
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : overcame equipment problem
Consequence	other
Factors
Maintenance	performance deficiency : installation performance deficiency : inspection
Supplementary
Problem Areas	Aircraft Company
Primary Problem	Aircraft

Narrative:

During the preflight of the cockpit; just a few mins before departure; I noticed that the captain's audio selector panel was different from mine. The captain's panel had no means of selecting HF communications; even though the aircraft was HF equipped (an overwater model). It was the panel used for the basic domestic B757. Captain had me query company maintenance and they began researching the 'legality' of the confign. Company maintenance decided that it was best to swap out the captain's audio panel to the correct confign.

Original NASA ASRS Text

Title: B757-200 FLT CREW DISCOVERS DOMESTIC VICE OVERWATER COM SELECTOR PANEL AT CAPTAIN'S STATION. THE DOMESTIC UNIT PROVIDED NO CAPABILITY TO UTILIZE HF RADIOS.

Narrative: DURING THE PREFLT OF THE COCKPIT; JUST A FEW MINS BEFORE DEP; I NOTICED THAT THE CAPT'S AUDIO SELECTOR PANEL WAS DIFFERENT FROM MINE. THE CAPT'S PANEL HAD NO MEANS OF SELECTING HF COMS; EVEN THOUGH THE ACFT WAS HF EQUIPPED (AN OVERWATER MODEL). IT WAS THE PANEL USED FOR THE BASIC DOMESTIC B757. CAPT HAD ME QUERY COMPANY MAINT AND THEY BEGAN RESEARCHING THE 'LEGALITY' OF THE CONFIGN. COMPANY MAINT DECIDED THAT IT WAS BEST TO SWAP OUT THE CAPT'S AUDIO PANEL TO THE CORRECT CONFIGN.

Data retrieved from NASA's ASRS site as of May 2009 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.