SDR FDEA200903311109

Service difficulty report · Skin Panel · Boeing 75721B

Difficulty date: March 31, 2009
Submitted: March 31, 2009
Operation: Air carrier
Aircraft: N933FD
Make and model: Boeing 75721B
Aircraft serial: 24330
Aircraft time: 52,447 hours, 30,243 cycles
System (JASC): 5414 · Nacelle/Pylon, Plate/Skin
Part: Skin Panel
Part number: 311N5046Y52
Condition: Corroded
Location: Nr 2 Pylon
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

INSIDE PYLON NR 2 RT SIDE HAS CORROSION APPROX 8 INCHES FWD OF PANEL 443BR TO APPROX. 10 INCHES AFT OF PANEL 443BR. REPAIR AS REQUIRED. NR 2 PYLON OTBD SKIN REMOVED AND REPLACED IAW SRM 51-10-02 REV 96, SRM 51-40-02 REV 96, AND DWG 311N5002 SHT 13, REV E. REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA.

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