SDR P5CA2019092300197

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: 65B03521Y7
Condition: Cracked
Location: Lt 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 LT HST TIP FAIRING RIB CRACKED AT STAB BL 435, YB410-YB430, TTL: 3EA. REMOVED DAMAGED PART IAW SRM 51-40-02 REV 28. INSTALLED NEW PARTS IAW SRM 51-40-02 REV 28 AND DWG NR 65B03521 SHEET 06. JOB COMPLETED AND CONDITION CHECKS NORMAL. OFF PARTS (PN:65B03521U9, SN: NSN) & (PN:65B03521Y11, SN NSN)

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