AD 2013-26-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Water leakage into the main deck cargo wire integration unit (WIU) due to disbonded seams in the aft main equipment center (MEC) drip shield gutter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Clean the aft MEC drip shield gutter; perform a one-time general visual inspection for disbonded seams and repair if necessary; install a fiberglass reinforcement overcoat to the underside of the bonded seams of the aft MEC drip shield gutters.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 747-400, -400D, and -400F series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.