SDR 97FDEA00763

Service difficulty report · Bolt · Doug MD11F

Difficulty date: October 20, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N601FE
Make and model: Doug MD11F
Aircraft serial: 48401
System (JASC): 5400 · Nacelle/Pylon Structure
Part: Bolt
Part number: NASGH0524
Condition: Sheared
Location: Nr 1 Pylon
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

NR 1 PYLON INSIDE ACCESS PANEL 438HL STA YN 342, BULKHEAD TO UPPER SPAR WEB FWD END 1 ATTACH BOLT HAS SHEARED AND SEVERAL OTHER BOLTS ARE LOOSE. *S/D* HFEC INSPECTED AREA OF SHEARED AND LOOSE FASTNERS, NO CRACK INDICATIONS NOTED. INSTALLED NEW BOLT PER M/M 20-50-02 AND RE-TORQUED ALL BOLTS. INSTALLED ACCESS PANELS, M/M 54-00-01. 10-22-97

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