SDR UPS00831535

Service difficulty report · Stiffner · Doug DC871F

Difficulty date: January 7, 2000
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N752UP
Make and model: Doug DC871F
Aircraft serial: 45952
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffner
Condition: Cracked
Location: Bs 420
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:C123, FWD PIT STA 420, L26R TO L28R, FRAME REINFORCEMENT CHANNEL UPPER FLANGE CRACKED. REMOVED REINFORCEMENT CHANNEL IAW DC8 SRM 51-1-21, MATERIAL ID 7075- 0 1.071 PO NR 294242 IAW DC8 DWG 3773159. HEAT TREATED SUPPORT TO 7075 T6 IAW DC8 SRM 51-1-1. FAB NEW SUPPORT IAW DC8 DWG 3773159. ALODINED AND PRIMED IAW DC8 SRM 51-1-8. INSTALLED SUPPORT IAW DC8 SRM 51-1-21.

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