A B737 pilot was informed by company that he may have flown a passenger aircraft with erroneous navi...

Attributes
ACN	505940
Time
Date	200103
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : mci.airport
State Reference	MO
Altitude	agl single value : 0
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time total : 4000 flight time type : 30
ASRS Report	505940
Events
Anomaly	aircraft equipment problem : less severe
Resolutory Action	none taken : detected after the fact
Consequence	other other
Supplementary
Problem Areas	Aircraft Company Flight Crew Human Performance
Primary Problem	Ambiguous

Narrative:

I may have flown aircraft #X with erroneous navigation data. I flew 2 legs with aircraft #X. Aircraft #XXXX 1 leg, and aircraft #XXXY 2 legs. All navigation data from the FMC was backed up with raw data. We were never off course. I was informed of the situation by my assistant chief pilot.

Original NASA ASRS Text

Title: A B737 PLT WAS INFORMED BY COMPANY THAT HE MAY HAVE FLOWN A PAX ACFT WITH ERRONEOUS NAV DATA.

Narrative: I MAY HAVE FLOWN ACFT #X WITH ERRONEOUS NAV DATA. I FLEW 2 LEGS WITH ACFT #X. ACFT #XXXX 1 LEG, AND ACFT #XXXY 2 LEGS. ALL NAV DATA FROM THE FMC WAS BACKED UP WITH RAW DATA. WE WERE NEVER OFF COURSE. I WAS INFORMED OF THE SIT BY MY ASSISTANT CHIEF PLT.

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 pilot was informed by company that he may have flown a passenger aircraft with erroneous navigation data.