AD 2003-26-08

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737-100, -200, -200C, -300, -400, and -500 Series Airplanes

AD Number
2003-26-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-NM-422-AD
FR Citation
68 FR 75397

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737-100 Airworthiness Directives; Boeing Model 737-100, -200, -200C, -300, -400, and -500 Series Airplanes

Unsafe Condition

Rupture of the potable water tank during flight, which could result in structural damage to the airplane and its inability to sustain flight loads.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace the existing pressure relief valve on the potable water tank with a new, improved pressure relief valve (P/N RV05-362), made of stainless steel and non-adjustable. For certain airplanes, modify certain piping to re-locate the pressure relief valve.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 18 months after the effective date of this AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Boeing Model 737-100, -200, -200C, -300, -400, and -500 series airplanes; line numbers 1 through 2696 inclusive; certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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