SDR U2RA201705200005

Service difficulty report · Rib · Boeing 747428

Difficulty date: April 17, 2017
Submitted: May 20, 2017
Operation: Air carrier
Aircraft: N919CA
Make and model: Boeing 747428
Aircraft serial: 25302
Aircraft time: 89,251 hours, 13,055 cycles
System (JASC): 5514 · Horizontal Stabilizer Miscellaneous Structure
Part: Rib
Part number: 65B03521013
Condition: Cracked
Location: Lt Horiz Stab
Part time: 89,251 hours, 13,055 cycles
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 "D" CHECK INSPECTION FOUND LEFT HAND HORIZONTAL STABILIZER TIP FAIRING RIB P/N 65B03521-013 CRACKED. REPAIRED LEFT HAND HORIZONTAL STABILIZER FAIRING RIB IN ACCORDANCE WITH STRUCTURAL REPAIR MANUAL CHAPTER 55-10-30 AND 51-70-11.