SDR UPS02238830

Service difficulty report · Doubler · Boeing 72722C

Difficulty date: June 20, 2002
Submitted: July 19, 2002
Operation: Air carrier
Aircraft: N942UP
Make and model: Boeing 72722C
Aircraft serial: 19101
Aircraft time: 50,347 hours, 39,291 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Doubler
Part number: NPN
Part serial: NSN
Condition: Corroded
Location: Delta Beam Bs747
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

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

What was found

INSPECTION TYPE:C+SI BULGING ON EXTERNAL DOUBLER ATTACHED TO DELTA BEAM BS 747 Y/H DOUBLER REMOVED IAW SRM 51-30-2, CORROSION FOUND ON UDERSIDE OF DOUB LER, DELTA BEAM FAYING SURFACE INSPECTED AND LIGHT SURFACE CORROSION FOUND, REMOVED AND FOUND WITHIN LIMITS, REPROTECTED IAW SRM 51-10-2 . CORROSION ON DOUBLER OUTSIDE OF LIMITS, NEW DOUBLER FABRICATED IAW SRM 51-20-01 AND INSTALLED IAW SRM 51-30-2

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