SDR FDEA200910123540

Service difficulty report · Channel · Boeing 75721B

Difficulty date: October 12, 2009
Submitted: October 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): 5420 · Nacelle/Pylon Miscellaneous Structure
Part: Channel
Part number: 313N5004Y94
Condition: Cracked
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

NR 2 PYLON LBL 12.5", PP STA 170, PP WL 157 HAS A HORIZONTAL FORMED U ANGLE CRACKED. CRACKED U-CHANNEL ON NR 2 PYLON AT PP STA 170, LBL 12.5", PP WL 157, REMOVED AND REPLACED IAW SRM 51-40-02 REV. 98. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

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