Service difficulty report · Plenum · Boeing 7272Q9

Difficulty date
January 2, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N740DH
Make and model
Boeing 7272Q9
Aircraft serial
21930
Part
Plenum
Condition
Corroded
Location
Right Ram Air
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

AT C-CHECK, CORROSION ON UPPER WALL OF RIGHT RAM AIR PLENUM CHAMBER 18 INCHES FROM AFT END. SHOT PEENED DAMAGED AREA, COLD WORKED FASTENER HOLES, INSTALLED DOUBLER REPAIR PER SRM 57-30-3, 14' BY 4' AND 11' BY 4.

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