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SDR IPXA2024031436997

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Service difficulty report · Drain Valve · Boeing 76734AF

FAA SDR system

Difficulty date
March 13, 2024
Submitted
March 14, 2024
Operation
Air carrier
Aircraft
N322UP
Make and model
Boeing 76734AF
Aircraft serial
27748
Aircraft time
67,618 hours, 22,606 cycles
System (JASC)
5320 · Fuselage Miscellaneous Structure
Part
Drain Valve
Part number
NOTREPORTED
Condition
Corroded
Location
Bs 1373
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FUSELAGE DRAIN VALVE ASSY AT BELLY ZONE 155/156 ,APPROXIMATE FUSELAGE STA. 1373 HAS PULLED THROUGH SKIN AND HAS EXTENSIVE CORROSION AROUND HOLE CREATED,ON OUTER AND INNER SKIN AREA.SKIN IS DEFOLIATING REMOVED AFT CARGO COMPARTMENT FLOORBOARDS AND DRAIN VALVE ASSY,CLEANED AREA FOR FURTHER EVALUATION.

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