SDR UPS07M49900

Service difficulty report · Structure · Doug MD11F

Difficulty date: April 18, 2007
Submitted: June 8, 2007
Operation: Air carrier
Aircraft: N287UP
Make and model: Doug MD11F
Aircraft serial: 48539
Aircraft time: 62,215 hours, 9,282 cycles
System (JASC): 5510 · Horizontal Stabilizer Structure
Part: Structure
Condition: Corroded
Location: Horizontal Stab
Stage of operation: IN
How discovered: 9
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

INSPECTION TYPE:C HORZ STAB BARREL NUT BORE NR 11 LEFT FOUND WITH CORROSION. CORROSION REMOVED SRM 51-21-01 VII R38 BOTTOM-REMAINING BLEND OUT 0.070" DEEP BORE REAMED TO 0.988" DIA REMAIN BLEND OUT 0.056" DEEP EXCEED EO LIMITS. 10X MAG DVI C/O NO CORROSION. BORE FURTHER REAMED TO 1.048" DIA & BOTTOM 0. 050" DEEPER PER EN1245-07. REPAIR SLEEVE FAB, PROTECTED & INSTALLED PER EO FIG 5. REPAIR C/O AT BN BORE NR 11 LEFT IS ACCEPTABLE IAW EN1245-07.

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