What was found
DEN - DURING SERVICE CHECK, MAINTENANCE REPORTED EIGHT .5 INCH CRACKS IN LEFT PRESSURE WEB AT STATION 259 AND TWO .5 INCH CRACKS IN RIGHT PRESSURE WEB AT STATION 259 FORWARD OF DOOR IDLER FITTING. MAINTENANCE TRIMMED OUT CRACKS. FABRICATED FILLER AND INSTALLED DOUBLER 202413 .050 PER FRONTIER EA'S 53-737-026 AND 53-737-027, BOEING TELEX NRS FRO-DEN-97-0075RR AND M-7272-97-3951, AND FAA FORM 8110-3, DATED 8-1-97. (M)