<< >> NASA ASRS Report 459131, December 1999

A B737-800 experienced a taxiway excursion positioning the right main landing off the taxiway and stuck in the mud.

Attributes
ACN	459131
Time
Date	199912
Day	Fri
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance ground other : stuck in mud
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : powerplant technician : airframe
Experience	maintenance technician : 1
ASRS Report	459131
Person 2
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : airframe technician : powerplant
ASRS Report	459132
Events
Anomaly	aircraft equipment problem : critical excursion : taxiway maintenance problem : improper documentation non adherence : published procedure other anomaly
Resolutory Action	none taken : unable
Consequence	other other
Factors
Maintenance	contributing factor : schedule pressure contributing factor : lighting performance deficiency : inspection
Supplementary
Problem Areas	Maintenance Human Performance Weather Environmental Factor Aircraft Chart Or Publication
Primary Problem	Aircraft

Narrative:

I accomplished a section of the maintenance manual 05-96-02 on aircraft xyz, dec/fri/99 to the best of my ability. It's been brought to my attention that the card may have been written incorrectly. That would have affected the 'checks' performed. Callback conversation with reporter revealed the following information: the reporter stated the maintenance manual chapter 5 did not have a sideload conditional check for the aircraft after being pulled from the mud. The reporter said a dragged pod conditional check was accomplished. The reporter said the dragged pod conditional check was fairly intensive and everything that needed checking was accomplished.

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Original NASA ASRS Text

Title: A B737-800 EXPERIENCED A TXWY EXCURSION POSITIONING THE R MAIN LNDG OFF THE TXWY AND STUCK IN THE MUD.

Narrative: I ACCOMPLISHED A SECTION OF THE MAINT MANUAL 05-96-02 ON ACFT XYZ, DEC/FRI/99 TO THE BEST OF MY ABILITY. IT'S BEEN BROUGHT TO MY ATTN THAT THE CARD MAY HAVE BEEN WRITTEN INCORRECTLY. THAT WOULD HAVE AFFECTED THE 'CHKS' PERFORMED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE MAINT MANUAL CHAPTER 5 DID NOT HAVE A SIDELOAD CONDITIONAL CHK FOR THE ACFT AFTER BEING PULLED FROM THE MUD. THE RPTR SAID A DRAGGED POD CONDITIONAL CHK WAS ACCOMPLISHED. THE RPTR SAID THE DRAGGED POD CONDITIONAL CHK WAS FAIRLY INTENSIVE AND EVERYTHING THAT NEEDED CHKING WAS ACCOMPLISHED.

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.