Narrative:

Taxiway M at phl between runway 27R and runway 27L is paved asphalt and has literally hundreds of craters in the taxiway from aircraft sinking into the hot asphalt. It sometimes takes excessive breakaway thrust to get out of some of these which causes a dangerous jet blast hazard to smaller aircraft (turboprops). This taxiway needs to be of an adequate composition to support sitting aircraft without causing craters. Callback conversation with reporter revealed the following information: reporter states he feels it is not a healthy situation but when one of the commuters yells at him when he is inching up the power to avoid any problems to aircraft behind, he knows it is a bad deal. The craters are very big and reporter feels the fix is to concrete the taxiway to support the larger aircraft. He is not a structural engineer and knows it is possible there may be a better fix, but something must be done. There are 2 other txwys which can be used so there would be a minor inconvenience during such repair work. Aircraft is a B737.

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Original NASA ASRS Text

Title: B737 CAPT INDICATES POOR TXWY CONDITION AT PHL WITH CRATERS IN THE ASPHALT SURFACE. THIS CAUSES ACFT TO USE EXCESS THRUST TO CONTINUE TAXI AND IS A DANGER FOR SMALLER ACFT FOLLOWING.

Narrative: TXWY M AT PHL BTWN RWY 27R AND RWY 27L IS PAVED ASPHALT AND HAS LITERALLY HUNDREDS OF CRATERS IN THE TXWY FROM ACFT SINKING INTO THE HOT ASPHALT. IT SOMETIMES TAKES EXCESSIVE BREAKAWAY THRUST TO GET OUT OF SOME OF THESE WHICH CAUSES A DANGEROUS JET BLAST HAZARD TO SMALLER ACFT (TURBOPROPS). THIS TXWY NEEDS TO BE OF AN ADEQUATE COMPOSITION TO SUPPORT SITTING ACFT WITHOUT CAUSING CRATERS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATES HE FEELS IT IS NOT A HEALTHY SIT BUT WHEN ONE OF THE COMMUTERS YELLS AT HIM WHEN HE IS INCHING UP THE PWR TO AVOID ANY PROBS TO ACFT BEHIND, HE KNOWS IT IS A BAD DEAL. THE CRATERS ARE VERY BIG AND RPTR FEELS THE FIX IS TO CONCRETE THE TXWY TO SUPPORT THE LARGER ACFT. HE IS NOT A STRUCTURAL ENGINEER AND KNOWS IT IS POSSIBLE THERE MAY BE A BETTER FIX, BUT SOMETHING MUST BE DONE. THERE ARE 2 OTHER TXWYS WHICH CAN BE USED SO THERE WOULD BE A MINOR INCONVENIENCE DURING SUCH REPAIR WORK. ACFT IS A B737.

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.