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A B737-800 had a standby rudder light modification; but had an unmodified hydraulic control panel installed. Aircraft was grounded for panel change.
| Attributes | |
| ACN | 671203 |
| Time | |
| Date | 200509 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | FO |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : bwi.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 671203 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : far non adherence : published procedure |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : manuals contributing factor : schedule pressure performance deficiency : logbook entry performance deficiency : non compliance with legal requirements performance deficiency : installation performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
Showed up at svmc in the morning on sep/sat/05 to fly XXX home as flight abc. I had a message from station personnel to call maintenance control. When I spoke with maintenance control they had me check the aircraft to see if the hydraulic panel had a 'standby rudder on' light installed. I told them it did not. They then told me this aircraft was grounded because a modification had been installed on this aircraft and subsequent to this; someone in ZZZ maintenance had switched out the hydraulic control panel with one of an unmodified aircraft. Because of this maintenance action; we and others prior flew a plane that should have been grounded. Upon reviewing the logbook again from entries made; there was no way we could have determined this. The aircraft operated fine; there was never any safety of flight issues involved.
Original NASA ASRS Text
Title: A B737-800 HAD A STANDBY RUDDER LIGHT MODIFICATION; BUT HAD AN UNMODIFIED HYD CTL PANEL INSTALLED. ACFT WAS GNDED FOR PANEL CHANGE.
Narrative: SHOWED UP AT SVMC IN THE MORNING ON SEP/SAT/05 TO FLY XXX HOME AS FLT ABC. I HAD A MESSAGE FROM STATION PERSONNEL TO CALL MAINT CTL. WHEN I SPOKE WITH MAINT CTL THEY HAD ME CHK THE ACFT TO SEE IF THE HYD PANEL HAD A 'STANDBY RUDDER ON' LIGHT INSTALLED. I TOLD THEM IT DID NOT. THEY THEN TOLD ME THIS ACFT WAS GNDED BECAUSE A MODIFICATION HAD BEEN INSTALLED ON THIS ACFT AND SUBSEQUENT TO THIS; SOMEONE IN ZZZ MAINT HAD SWITCHED OUT THE HYD CTL PANEL WITH ONE OF AN UNMODIFIED ACFT. BECAUSE OF THIS MAINT ACTION; WE AND OTHERS PRIOR FLEW A PLANE THAT SHOULD HAVE BEEN GNDED. UPON REVIEWING THE LOGBOOK AGAIN FROM ENTRIES MADE; THERE WAS NO WAY WE COULD HAVE DETERMINED THIS. THE ACFT OPERATED FINE; THERE WAS NEVER ANY SAFETY OF FLT ISSUES INVOLVED.
Data retrieved from NASA's ASRS site as of January 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.