Table 4-1.—Unscheduled Aeronautical Equipment and Aircraft Inspections—Continued TYPE OF INSPECTION Transfer PURPOSE OR WHAT’S INVOLVED WHEN DONE Inspection to include: When a reporting custo- An inventory of all equipment listed in the dian transfers an aircraft or aircraft inventory record equipment. Includes air- Verification of CADs and AEPSs craft or equipment trans- Configuration verification fers to SDLM. Hydraulic fluid sampling Daily inspection required by the applicable PMS publication Verification of (1) Monthly Flight Summary in the aircraft logbook and (2) Equipment Operating Records in the Aeronautical Equipment Service Record (AESR) Conditional More in-depth inspection when the equipment condition indicates that such action is warranted To inspect for unscheduled maintenance As required. requirements when: An event occurs that creates an administrative requirement for an inspection or And overlimit condition occurs. (Examples of overlimit conditions are hard landing, engine overspeed, and engine overtemp.) (Note: Conditional inspection requirements that specify servicing or fluid sampling do not require logbook entries. Conditional inspection requirements that prescribe inspections to determine equipment condition requirements do require associated logbook entries.) Zonal To detect obvious defects, such as leaks, frayed   As required. (Normally in cables, cracks, corrosion, or physical damage on a   conjunction with sched- specific area of an aircraft. uled maintenance tasks) tion by using the MAF. Table 4-2 lists the types of scheduled inspections, what each involves, and when each is done. Deviations To Scheduled Inspections It may not always be possible to perform a given inspection on the exact date or at the exact number of hours for which the inspection is scheduled. To meet these situations and to aid in workload scheduling, the following inspection deviations may be applied: For an inspection that is performed in increments of calendar days, a deviation of plus or minus 3 days may be applied to the authorized inspection interval (inspections may be performed 3 days before or 3 days after the actual inspection induction date). The next inspection due should be scheduled as if NO deviation had occurred. This authorized deviation requires no logbook entry. For an inspection that is performed in increments of flying hours or operating hours, cycles, events, or rounds fired, a deviation of plus or minus 10 percent (or any portion of 10 percent) may be applied to the authorized inspection interval. The next inspection due should be scheduled as if NO deviation had occurred. For example, an equipment that has a 4-8