SDR DALA2015110406711

Service difficulty report · Rib · Doug MD88

Difficulty date: November 4, 2015
Submitted: November 4, 2015
Operation: Air carrier
Aircraft: N986DL
Make and model: Doug MD88
Aircraft serial: 53313
Aircraft time: 62,489 hours, 45,344 cycles
System (JASC): 5531 · Vertical Stabilizer, Spar/Rib
Part: Rib
Condition: Cracked
Location: Vertical Stab
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

CRACKS ON RT RIBS BS ZFS=30 AND ZFS=23 AT L/E VERTICAL STABILIZER, SM. RIBS BS ZFS=30 AND ZFS=23 L/E VERTICAL STABILIZER WERE R & R IAW SRM 55-02D, FIG 27 AND DWG 9911885, REV. G. PERFORM INSPECTION EVERY "C" CHECK FOR NEW CRACKS IAW SRM 55-02, FIG 27, SHEET 11, RIB ZFS=30.

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