SDR UPS03840900

Service difficulty report · Doubler · Doug DC873F

Difficulty date: June 2, 2003
Submitted: June 27, 2003
Operation: Air carrier
Aircraft: N851UP
Make and model: Doug DC873F
Aircraft serial: 46051
Aircraft time: 74,804 hours, 24,952 cycles
Engine: Pwa JT3D3B
System (JASC): 5210 · Passenger/Crew Doors
Part: Doubler
Part number: 4751734
Part serial: NSN
Condition: Cracked
Location: Pax Door
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: C3, L2 DOOR UPPER FWD CORNER SHOWS CRACK INDICATION WITH XRAY INSPECTION. REMOVED CRACKED INTERNAL SKIN DOUBLER AND PARTIALLY REMOVED WEB TO FOM. FAB NEW INTERNAL SKIN SPLICE DOULBER IAW DWG NR 4751734 AND PRIMED IAW DC8 SMR 51-1-8, THEN INSTALLED DOUBLER AND WEB IAW DC8 SRM 51-1-21, 51-1-20D, 51-1-21A, 51-1-17 AND DAC DWG 4751734

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