<< >> NASA ASRS Report 668215, August 2005

An emj was dispatched with the horizontal stabilizer position indicating aural warning and takeoff warning system inoperative.

Attributes
ACN	668215
Time
Date	200508
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Embraer Jet Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : taxi
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	668215
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical maintenance problem : non compliance with mel non adherence : far non adherence : published procedure
Independent Detector	aircraft equipment other aircraft equipment : aural warning other flight crewa other flight crewb
Resolutory Action	none taken : anomaly accepted
Factors
Maintenance	contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : logbook entry performance deficiency : repair performance deficiency : fault isolation
Supplementary
Problem Areas	Aircraft Chart Or Publication Environmental Factor Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Had MEL 27-08 pitch trim position indication. Followed MEL instructions; verified trim set on tail during taxi checks; takeoff confign check; aural stated ding; ding; ding trim. Returned to gate; reverified trim position on tail. Called maintenance control and was told to remove all power from aircraft; restart and try takeoff confign again. Still had warning. Called maintenance control again. Told by maintenance control that crew was allowed to depart with aural warning chiming during takeoff roll. Maintenance control gave me his employee number to add to flight plan and load manifest. Completed normal flight to ZZZ with maintenance control authority/authorized.

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Original NASA ASRS Text

Title: AN EMJ WAS DISPATCHED WITH THE HORIZ STABILIZER POS INDICATING AURAL WARNING AND TKOF WARNING SYS INOP.

Narrative: HAD MEL 27-08 PITCH TRIM POS INDICATION. FOLLOWED MEL INSTRUCTIONS; VERIFIED TRIM SET ON TAIL DURING TAXI CHKS; TKOF CONFIGN CHK; AURAL STATED DING; DING; DING TRIM. RETURNED TO GATE; REVERIFIED TRIM POS ON TAIL. CALLED MAINT CTL AND WAS TOLD TO REMOVE ALL PWR FROM ACFT; RESTART AND TRY TKOF CONFIGN AGAIN. STILL HAD WARNING. CALLED MAINT CTL AGAIN. TOLD BY MAINT CTL THAT CREW WAS ALLOWED TO DEPART WITH AURAL WARNING CHIMING DURING TKOF ROLL. MAINT CTL GAVE ME HIS EMPLOYEE NUMBER TO ADD TO FLT PLAN AND LOAD MANIFEST. COMPLETED NORMAL FLT TO ZZZ WITH MAINT CTL AUTH.

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.