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Atlas / NTSB / DCA22LA038

NTSB CAROL · Event

Event DCA22LA038

2021-11-29 Miami, Florida, United States Airport · KMIA None 1 aircraft Status: Completed

Registry · N705CK

FAA Aircraft Registry record.

Make / Model

BOEING 747-4B5F

Year of manufacture

2001 · 20 years old at event

Engine

P & W PW4056

Seats / Engines

490 seats · 4 engines

Last airworthiness date

20170825

ADS-B equipped

Yes — Mode-S A9675D

Registrant of record

KALITTA AIR LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

Incorrect lubrication of the foreflap fitting assembly.

Factual narrative

The flight crew reported that upon arrival at KMIA, another flight reported seeing something fly off their airplane. Post-flight inspection revealed damage to the right-hand inboard flaps, fuselage and right horizontal stabilizer. Upon lowering flaps, a section of the trailing edge flap was also missing. Examination of the damaged components revealed that the right inboard foreflap fitting assembly had not been lubricated in accordance with a manufacturer’s service bulletin. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).

  • Aircraft-Aircraft structures-Wing structure-Leading edge devices-Incorrect service/maintenance

Verbatim from NTSB's published report. Source file NTSB_2021_DCA22LA038.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.