SDR TWAA9906303

Service difficulty report · Skin · Doug DC931

Difficulty date: April 26, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N986Z
Make and model: Doug DC931
Aircraft serial: 47589
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Corroded
Location: Bs 965
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

DURING OP 16 MAINT CHECK, FOUND CORROSION IN SKIN AT STA 965, LONGERON 22L, LOWER AFT CABIN AIR OUTFLOW VALVE NOZZLE. REMOVED OLD CORRODED PART, INSTALLED NEW INTERNAL DOUBLER. CUTOUT DAMAGED EXTERNAL SKIN AND INSTALLED FILLER AND DOUBLER PER ARA 13509 AND SRM 53-04.

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