<< >> NASA ASRS Report 574194, February 2003

An MD90 was dispatched in non compliance with the right nose landing light lamp missing due to a bird strike. Light was deferred with no cover plate and incorrect authority/authorized.

Attributes
ACN	574194
Time
Date	200302
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Light	Night
Aircraft 1
Controlling Facilities	tower : pvd.tower
Operator	common carrier : air carrier
Make Model Name	MD-90 Series (DC-9-90) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : airframe technician : powerplant
Experience	maintenance technician : 15
ASRS Report	574194
Person 2
Affiliation	company : air carrier
Function	maintenance : technician oversight : coordinator
Events
Anomaly	aircraft equipment problem : critical maintenance problem : non compliance with mel non adherence : published procedure non adherence : far
Independent Detector	other other : person 1
Resolutory Action	none taken : anomaly accepted
Consequence	other other
Factors
Maintenance	contributing factor : schedule pressure performance deficiency : logbook entry performance deficiency : non compliance with legal requirements performance deficiency : repair
Supplementary
Problem Areas	Aircraft Environmental Factor Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Aircraft arrived in ZZZ with multiple bird strikes. One strike damaged the right nose landing light, leaving the back shell and exposed wires. I inspected all the bird strikes, finding the nose landing gear light the only recordable damage. Parts required were not in stock. I capped and stowed the exposed wires and collared the associated circuit breaker and dispatched the aircraft under MEL 33-41-01D. I realize now that I should have contacted engineering for an era for dispatch approval. The MEL 33-41-01D, that I used to dispatch aircraft, deferred inoperative nose gear lights. It did not address the requirement for a cover in place of a svcable lens. I did notify, by phone, the coordinator of the parts required to return to service. Recurrence of this error may be prevented by adding a note to MEL 33-41-01, that a blanking plate must be installed if the lens/bulbs are not intact.

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Original NASA ASRS Text

Title: AN MD90 WAS DISPATCHED IN NON COMPLIANCE WITH THE R NOSE LNDG LIGHT LAMP MISSING DUE TO A BIRD STRIKE. LIGHT WAS DEFERRED WITH NO COVER PLATE AND INCORRECT AUTH.

Narrative: ACFT ARRIVED IN ZZZ WITH MULTIPLE BIRD STRIKES. ONE STRIKE DAMAGED THE R NOSE LNDG LIGHT, LEAVING THE BACK SHELL AND EXPOSED WIRES. I INSPECTED ALL THE BIRD STRIKES, FINDING THE NOSE LNDG GEAR LIGHT THE ONLY RECORDABLE DAMAGE. PARTS REQUIRED WERE NOT IN STOCK. I CAPPED AND STOWED THE EXPOSED WIRES AND COLLARED THE ASSOCIATED CIRCUIT BREAKER AND DISPATCHED THE ACFT UNDER MEL 33-41-01D. I REALIZE NOW THAT I SHOULD HAVE CONTACTED ENGINEERING FOR AN ERA FOR DISPATCH APPROVAL. THE MEL 33-41-01D, THAT I USED TO DISPATCH ACFT, DEFERRED INOP NOSE GEAR LIGHTS. IT DID NOT ADDRESS THE REQUIREMENT FOR A COVER IN PLACE OF A SVCABLE LENS. I DID NOTIFY, BY PHONE, THE COORDINATOR OF THE PARTS REQUIRED TO RETURN TO SVC. RECURRENCE OF THIS ERROR MAY BE PREVENTED BY ADDING A NOTE TO MEL 33-41-01, THAT A BLANKING PLATE MUST BE INSTALLED IF THE LENS/BULBS ARE NOT INTACT.

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.