A B737-700 was dispatched in non compliance with the incorrect onboard performance computer inadvert...

Attributes
ACN	570347
Time
Date	200301
Day	Sun
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
ASRS Report	570347
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : published procedure
Independent Detector	other other : person 1
Resolutory Action	none taken : detected after the fact
Consequence	other other
Factors
Maintenance	contributing factor : schedule pressure performance deficiency : training performance deficiency : non compliance with legal requirements performance deficiency : logbook entry performance deficiency : installation
Supplementary
Problem Areas	Maintenance Human Performance Company Chart Or Publication Aircraft
Primary Problem	Maintenance Human Performance
Situations
Publication	Maint Bulletin

Narrative:

Aircraft on repos ferry from ZZZ1 called in to ZZZ maintenance prior to arrival reporting their onboard performance computer was locked up and would not even turn off. I was asked to marshal the aircraft upon arrival and right&right the onboard performance computer. I took off the onboard performance computer charger what I thought was the only part number of onboard performance computer we stocked and installed it on the aircraft (after having updated the onboard performance computer with current software). It was brought to my attention this morning (jan/tue/03) that the wrong onboard performance computer was installed. I was unaware that there were more than 1 part number of onboard performance computers. I asked a couple other mechanics if they knew there was another style onboard performance computer for a -700 and they replied 'no.' if I was aware of the multiple part numbers of onboard performance computers that we carry. I would have check mpd 5.

Original NASA ASRS Text

Title: A B737-700 WAS DISPATCHED IN NON COMPLIANCE WITH THE INCORRECT ONBOARD PERFORMANCE COMPUTER INADVERTENTLY INSTALLED.

Narrative: ACFT ON REPOS FERRY FROM ZZZ1 CALLED IN TO ZZZ MAINT PRIOR TO ARR RPTING THEIR ONBOARD PERFORMANCE COMPUTER WAS LOCKED UP AND WOULD NOT EVEN TURN OFF. I WAS ASKED TO MARSHAL THE ACFT UPON ARR AND R&R THE ONBOARD PERFORMANCE COMPUTER. I TOOK OFF THE ONBOARD PERFORMANCE COMPUTER CHARGER WHAT I THOUGHT WAS THE ONLY PART NUMBER OF ONBOARD PERFORMANCE COMPUTER WE STOCKED AND INSTALLED IT ON THE ACFT (AFTER HAVING UPDATED THE ONBOARD PERFORMANCE COMPUTER WITH CURRENT SOFTWARE). IT WAS BROUGHT TO MY ATTN THIS MORNING (JAN/TUE/03) THAT THE WRONG ONBOARD PERFORMANCE COMPUTER WAS INSTALLED. I WAS UNAWARE THAT THERE WERE MORE THAN 1 PART NUMBER OF ONBOARD PERFORMANCE COMPUTERS. I ASKED A COUPLE OTHER MECHS IF THEY KNEW THERE WAS ANOTHER STYLE ONBOARD PERFORMANCE COMPUTER FOR A -700 AND THEY REPLIED 'NO.' IF I WAS AWARE OF THE MULTIPLE PART NUMBERS OF ONBOARD PERFORMANCE COMPUTERS THAT WE CARRY. I WOULD HAVE CHK MPD 5.

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.

A B737-700 was dispatched in non compliance with the incorrect onboard performance computer inadvertently installed.