SDR TWAA0005808

Service difficulty report · Angle · Doug DC932

Difficulty date: November 29, 1999
Submitted: April 14, 2000
Operation: Air carrier
Aircraft: N925L
Make and model: Doug DC932
Aircraft serial: 47357
Aircraft time: 75,588 hours, 80,116 cycles
System (JASC): 5400 · Nacelle/Pylon Structure
Part: Angle
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

DURING OP 16 MAINT CHECK, NUMBER 2 PYLON INTERIOR, O/B VERTICAL ANGLE WAS CRACKED AT BOTTOM, JUST AFT OF 13TH STAGE PNEUMATIC DUCT. DIRECTLY BELOW FIRE SPRAY TUBE. REPAIRED FLANGE USING 2 FABRICATED DOUBLERS OF 0.012 ALUMINUM PER SRM 53-01, PAGE 10 FIG 2, SHEET 4.

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