SDR FDEA200911013760

Service difficulty report · Skin · Boeing 75721B

Difficulty date: November 1, 2009
Submitted: November 3, 2009
Operation: Air carrier
Aircraft: N934FD
Make and model: Boeing 75721B
Aircraft serial: 24331
Aircraft time: 50,153 hours, 32,684 cycles
System (JASC): 5414 · Nacelle/Pylon, Plate/Skin
Part: Skin
Part number: 311N51931
Condition: Corroded
Location: Nr 2 Nacelle
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 NR 2 PYLON HAS EXFOLIATED SKIN, PP STA 104, LBL 10, PP WL 136. EVALUATE AND RECTIFY. NR 2 PYON INBD SKIN PN 311N5193-1 FROM PP STA 100 TO PP STA 125.61 REMOVED AND REPLACED IAW SRM 51-40-02 REV, 98 AND DWG NR 311N5002 HEET 14, REV. E. REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA.

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