A fokker 100 had a non flush repair on the forward right fuselage forward of the stall warning vane ...

Attributes
ACN	406786
Time
Date	199806
Day	Wed
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : zzz
State Reference	US
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Flight Phase	other
Flight Plan	None
Person 1
Affiliation	company : air carrier
Function	other personnel other
Qualification	other other : other
ASRS Report	406786
Person 2
Affiliation	company : air carrier
Function	other personnel other
Qualification	other other : other
ASRS Report	406850
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	other other : unspecified
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Air carrier mechanic YYY and inspector WWW completed repair for a crack in aircraft xyz. This was a repair directed by job card and srm, mar/xx/93. A non flush patch was installed on aircraft as per work instructions. Patch was previously made up, area was checked for cracks and ok to install by inspector. 3 yrs later, has an illegal repair due to changes in srm. Heavy maintenance mechanic repaired the crack in aircraft xyz per srm's and job card made available to them as of sep/xx/98. Callback conversation with reporter revealed the following information: the reporter stated the sheet metal repair was a non flush type patch to the right nose area ahead of the stall warning vane of a fokker 100. The repair was accomplished per the structural repair manual in mar/93. The reporter said it was discovered recently in the revised structural repair manual dated mar/96 that any non flush patch located within 500 millimeters of the stall warning vane must be replaced with a flush patch.

Original NASA ASRS Text

Title: A FOKKER 100 HAD A NON FLUSH REPAIR ON THE FORWARD R FUSELAGE FORWARD OF THE STALL WARNING VANE ACCOMPLISHED PER THE STRUCTURAL REPAIR MANUAL IN 1993. WAS FOUND IN A REVISED STRUCTURAL REPAIR MANUAL IN 1996 TO BE AN UNAPPROVED REPAIR.

Narrative: ACR MECH YYY AND INSPECTOR WWW COMPLETED REPAIR FOR A CRACK IN ACFT XYZ. THIS WAS A REPAIR DIRECTED BY JOB CARD AND SRM, MAR/XX/93. A NON FLUSH PATCH WAS INSTALLED ON ACFT AS PER WORK INSTRUCTIONS. PATCH WAS PREVIOUSLY MADE UP, AREA WAS CHKED FOR CRACKS AND OK TO INSTALL BY INSPECTOR. 3 YRS LATER, HAS AN ILLEGAL REPAIR DUE TO CHANGES IN SRM. HVY MAINT MECH REPAIRED THE CRACK IN ACFT XYZ PER SRM'S AND JOB CARD MADE AVAILABLE TO THEM AS OF SEP/XX/98. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE SHEET METAL REPAIR WAS A NON FLUSH TYPE PATCH TO THE R NOSE AREA AHEAD OF THE STALL WARNING VANE OF A FOKKER 100. THE REPAIR WAS ACCOMPLISHED PER THE STRUCTURAL REPAIR MANUAL IN MAR/93. THE RPTR SAID IT WAS DISCOVERED RECENTLY IN THE REVISED STRUCTURAL REPAIR MANUAL DATED MAR/96 THAT ANY NON FLUSH PATCH LOCATED WITHIN 500 MILLIMETERS OF THE STALL WARNING VANE MUST BE REPLACED WITH A FLUSH PATCH.

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.

A fokker 100 had a non flush repair on the forward right fuselage forward of the stall warning vane accomplished per the structural repair manual in 1993. Was found in a revised structural repair manual in 1996 to be an unapproved repair.