AD 98-26-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-8-11 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
| aircraft | The Boeing Company | DC-8-12 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
| aircraft | The Boeing Company | DC-8-21 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
| aircraft | The Boeing Company | DC-8-31 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
| aircraft | The Boeing Company | DC-8-32 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
| aircraft | The Boeing Company | DC-8-33 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
| aircraft | The Boeing Company | DC-8-41 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
| aircraft | The Boeing Company | DC-8-42 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
| aircraft | The Boeing Company | DC-8-43 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
| aircraft | The Boeing Company | DC-8-51 | (Correction) Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes Modified in Accordance with Supplemental Type Certificate SA1802SO |
Unsafe Condition
Fatigue cracking in the structure of the main deck cargo door in the immediate area of the bolts attaching the latch fittings, which could result in cabin decompression and loss of the door, leading to reduced controllability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Airplane Flight Manual to include restrictions on operating if pressurization anomalies occur. Perform a one-time internal detailed visual inspection of the main deck cargo door area for cracking, discrepancies, loose or missing fasteners, and clean/degrease the structure prior to inspection. Repair any detected issues.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 hours after the effective date for AFM revision; within 7 days after the effective date for the inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McDonnell Douglas Model DC-8 series airplanes modified with Supplemental Type Certificate SA1802SO for freighter configuration.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.