Maintenance Powerplant; Maintenance Avionics
Workload; Troubleshooting; Communication Breakdown
Aircraft Equipment Problem Critical; Deviation / Discrepancy - Procedural Maintenance; Deviation / Discrepancy - Procedural MEL / CDL; Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Published Material / Policy
General Maintenance Action
Procedure; Human Factors; Aircraft
ZZZ requested Engineering Authorization (EA) for damage to APU fuel line. Fuel line [was] not available in stock company wide or Boeing. EA 332551 issued for deferral till no later than Date. Aircraft left ZZZ without documentation of any work accomplished in ATA 28 or ATA 49. Maintenance Control contacted ZZZ Supervisor Name and advised him of documentation requirements. Name assured us that the monitor in question will be generated; but was waiting on manpower.No documentation of work [was] accomplished or deferred. Program shows no items in ATA 28 for last 30 days. Have Maintenance document any maintenance items worked. Have Maintenance document deferrals; including those provided by EA from Engineering. Have all maintenance deferrals out of base maintenance worked off an internal RON work; documented per GPM (Procedures Manual) 17.02 or line per GMP 17.03.
Lead Technician reported required maintenance logbook and electronic entries were not completed prior to the aircraft operating in revenue service.