SDR P5CA2019092300193

Service difficulty report · Rib · Boeing 74787UF

Difficulty date: September 21, 2019
Submitted: September 23, 2019
Operation: Air carrier
Aircraft: N858GT
Make and model: Boeing 74787UF
Aircraft serial: 37569
Aircraft time: 33,423 hours, 5,395 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Rib
Part number: 65B0352110
Condition: Cracked
Location: Rt Horiz 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

CRACK - FOUND RT HST TIP FAIRING RIB CRACKED AT STAB BL 435, YB410~YB430, TTL=2 EA. REMOVED THE DAMAGE RIBS IAW SRM 51-40-02 REV 28. INSTALLED THE NEW RIBS IAW SRM 51-40-02 REV 28, DWG NR 65B03521 SH6 AND SH7. JOB COMPLETED AND CONDITION CHECK NORMAL. OFF PART (PN: 65B03521Y12, SN: NSN) CRACK LENGTH= 0.5", 5"

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