An A300 captain reports a non standard panel installed on right pylon. Panel appears machined incorrectly. No description of panel or installation in maintenance history.

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Attributes
ACN	673118
Time
Date	200509
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	A300
Operating Under FAR Part	Part 121
Flight Phase	ground : parked
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	673118
Person 2
Affiliation	company : air carrier
Function	maintenance : technician
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper documentation non adherence : published procedure non adherence : far
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	other Other
Factors
Maintenance	contributing factor : engineering procedure performance deficiency : non compliance with legal requirements
Supplementary
Problem Areas	Aircraft Chart Or Publication Flight Crew Human Performance Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Nonstandard panel found on right engine pylon. Item entered as 'information to maintenance.' item may be structural on pylon. Mechanic concerned that panel not machined correctly but may have been on aircraft since delivery or 'C' check. Status unknown. Only aircraft XXX and YYY to my knowledge have nonstandard panel absent connecting point -- not machines for the connecting point. Technician did not intercept flight for further action; aircraft flown to daily destinations. Terminated ZZZ. Callback conversation with reporter revealed the following information: the reporter stated the panel appeared to be nonstandard and appeared to be machined incorrectly. When asked by the analyst if the panel were a doubler repair; the reporter said no; that it was a flush panel with fasteners.

Original NASA ASRS Text

Title: AN A300 CAPT RPTS A NON STANDARD PANEL INSTALLED ON R PYLON. PANEL APPEARS MACHINED INCORRECTLY. NO DESCRIPTION OF PANEL OR INSTALLATION IN MAINT HISTORY.

Narrative: NONSTANDARD PANEL FOUND ON R ENG PYLON. ITEM ENTERED AS 'INFO TO MAINT.' ITEM MAY BE STRUCTURAL ON PYLON. MECH CONCERNED THAT PANEL NOT MACHINED CORRECTLY BUT MAY HAVE BEEN ON ACFT SINCE DELIVERY OR 'C' CHK. STATUS UNKNOWN. ONLY ACFT XXX AND YYY TO MY KNOWLEDGE HAVE NONSTANDARD PANEL ABSENT CONNECTING POINT -- NOT MACHINES FOR THE CONNECTING POINT. TECHNICIAN DID NOT INTERCEPT FLT FOR FURTHER ACTION; ACFT FLOWN TO DAILY DESTS. TERMINATED ZZZ. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE PANEL APPEARED TO BE NONSTANDARD AND APPEARED TO BE MACHINED INCORRECTLY. WHEN ASKED BY THE ANALYST IF THE PANEL WERE A DOUBLER REPAIR; THE RPTR SAID NO; THAT IT WAS A FLUSH PANEL WITH FASTENERS.

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.