SDR FDEA200911113932

Service difficulty report · Skin · Boeing 75721B

Difficulty date: November 11, 2009
Submitted: November 12, 2009
Operation: Air carrier
Aircraft: N934FD
Make and model: Boeing 75721B
Aircraft serial: 24331
Aircraft time: 50,153 hours, 32,684 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Part number: 2024T30063
Condition: Corroded
Location: Zone 100
Stage of operation: IN
How discovered: V
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

FWD CARGO STA 750 BETWEEN S-21L TO S-22L FOUND INNER SKIN CORROSION ON DOME NUTE AREA. EVALUATE AND RECTIFY. INNER SKIN CORROSION AREA AT STA 750 BETWEEN S-21L TO S-22L, REPAIR CARRIED OUT IAW SRM 53-00-01 FIG. 201, REPAIR 3 REV. 98. REPAIR IS CLASSIFIED AS MAJOR REPAIR IAW GMM 6-2-100 CRITERIA. REPEAT INSP REQUIRED HFEC AT 6,000 FC AFTER FIRST INSP THRESHOLD 37,500 FC.

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