SDR RRXA000662

Service difficulty report · Rib · Doug DC873F

Difficulty date: February 10, 2000
Submitted: June 21, 2000
Operation: Air carrier
Aircraft: N831AL
Make and model: Doug DC873F
Aircraft serial: 46146
Aircraft time: 81,346 hours, 23,634 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Part number: 5755600
Condition: Cracked
Location: Wing
Stage of operation: IN
How discovered: V
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 A MAINTENANCE VISIT, FOUND A CRACK AT FASTENER ON THE LT O/B LEADING EDGE UPPER RIB AT STA XFS 572.5, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED DOUBLERS, STOP DRILLED TO THE CRACKS AND INSTALLED IAW DC-8 SRM 53-2-0 AND 51-1-20.

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