SDR UPS99830739

Service difficulty report · Blkhd Stiffener · Doug DC873F

Difficulty date: September 7, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N836UP
Make and model: Doug DC873F
Aircraft serial: 45936
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Blkhd Stiffener
Condition: Corroded
Location: Bs 8
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

INSPECTION TYPE:C1, VERTICAL STIFFENER FWD FLANGE WAS CORRODED, AFT SIDE OF STA 8 BULKHEA D AT L28R. FABRICATED STIFFENER END REPAIR ANGLES IAW TIMCO REO 06773, HEAT TREAT PERFORMED IAW TPS-1003 REV A O CONDITION TO T6. DRILLED UP IAW DC8 SRM 51-1-24 & TIMCO REO-06773. INSTALLED STIFFENER END REPAIR ANGLES IAW TIMCO REO-06773.

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