AD 2007-18-03

final rule
Data completeness: 80%

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

AD Number
2007-18-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2007-29071
FR Citation
72 FR 49168

Applicability

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

Unsafe Condition

Uncommanded movement of flightcrew seats during acceleration and take-off, caused by broken screws attaching the rear tracklock bracket, loosened screws attaching the tracklock bracket to the rear cross member, or incorrectly aligned seat track locking pins.

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

Required Actions

Inspect the seat locks and seat tracks of the flightcrew seats to ensure they lock in position. Verify that lock nuts and bolts of adequate length are installed on the rear tracklock bracket. Take corrective actions if necessary.

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

Compliance Time

Within 50 flight hours after the effective date of the AD.

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

Affected Aircraft

Boeing Model 737-300, -400, and -500 series airplanes with variable numbers PS971 through PS978, PT187, and PT188, which were inadvertently omitted from the effectivity of Boeing Alert Service Bulletin 737-25A1363, Revision 1.

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

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