B757 crew had TCASII RA in phl class B.

Attributes
ACN	437484
Time
Date	199905
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : phl.airport
State Reference	PA
Altitude	msl single value : 3000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : phl.tracon
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 9r other
Flight Phase	descent : approach
Route In Use	approach : visual
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : phl.tracon
Operator	general aviation : personal
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 120 flight time total : 16000 flight time type : 5000
ASRS Report	437484
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	conflict : airborne critical
Independent Detector	aircraft equipment : tcas other flight crewa other flight crewb
Miss Distance	horizontal : 5000 vertical : 0
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Conflicting aircraft passed by at 1 O'clock position same altitude. RA with no evasive action necessary. We were in the process of completing a flap problem checklist and were being vectored for a visual approach to runway 9R at phl when RA occurred. Was not advised by ATC of conflicting traffic.

Original NASA ASRS Text

Title: B757 CREW HAD TCASII RA IN PHL CLASS B.

Narrative: CONFLICTING ACFT PASSED BY AT 1 O'CLOCK POS SAME ALT. RA WITH NO EVASIVE ACTION NECESSARY. WE WERE IN THE PROCESS OF COMPLETING A FLAP PROB CHKLIST AND WERE BEING VECTORED FOR A VISUAL APCH TO RWY 9R AT PHL WHEN RA OCCURRED. WAS NOT ADVISED BY ATC OF CONFLICTING TFC.

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.