Maintenance problem in the sense of braking .speed to chodo vo toh har shed ka P7 130 pe maarega.but P7 from other Shed's do not encounter such problem which results in failure.LGD P7 Kai saalon se SBC rajdhani ko SC Tak le kar aa raha Tha kabhi hua uska failure .to tum batao iska hi Kyu hota Hai. Agar KK liye link change karna hi chahte ho they u can demand for GZB HOG P7
Head on generation vaali loco.