SDR DALA2021052102835

Service difficulty report · Spar Cap · Boeing 717200

Difficulty date: May 19, 2021
Submitted: May 21, 2021
Operation: Air carrier
Aircraft: N717JL
Make and model: Boeing 717200
Aircraft serial: 55042
Aircraft time: 49,970 hours, 33,478 cycles
System (JASC): 5531 · Vertical Stabilizer, Spar/Rib
Part: Spar Cap
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

DURING CRACK CONFIRMATION STEP 10 OF 5530-01048-02 VERIFIED CRACK INDICATIONS IN LH VERTICAL STAB FRONT SPAR CAP FORWARD FLANGE AT HOLES 1,2,3,4, AND 7 BELOW ZFS=52.267. HOLES ARE NUMBERED FROM TOP TO BOTTOM REF AA 5530-01048-02 STEP 10 AND AD 2018-10-08. COMPLIED WITH ER/A 591513-14AD REV A. REFERENCE NRC 264. ASSOCIATED ER/A 14-591513 ADDED FOR AC 9550. (LP #1814015)

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