47 CFR 76.1706: Signal leakage logs and repair records.

Cable operators shall maintain a log showing the date and location of each leakage source identified pursuant to § 76.614, the date on which the leakage was repaired, and the probable cause of the leakage. The log shall be kept on file for a period of two years and shall be made available to authorized representatives of the Commission upon request.

Note to § 76.1705:

If a signal leakage log is being used to meet proof of performance test recordkeeping requirements in accordance with § 76.601, such a log must be retained for the period specified in § 76.601(d).