SDR RRXA000686

Service difficulty report · Rib · Doug DC873F

Difficulty date: March 5, 2000
Submitted: July 23, 2001
Operation: Air carrier
Aircraft: N831AL
Make and model: Doug DC873F
Aircraft serial: 46146
Aircraft time: 81,346 hours, 23,634 cycles
System (JASC): 5531 · Vertical Stabilizer, Spar/Rib
Part: Rib
Part number: 5651514
Condition: Cracked
Location: Vertical Stab
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 2 CRACKS AT THE VERTICAL STABILIZER L/E RIB NR13 FROM TOP (1 LT AND 1 R/H) ON END OF RIBS, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. STOP DRILLED, REPAIRED AND INSTALLED IAW DC-8 SRM 55-2-0 FIG 2

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