SDR NACA2020010800159

Service difficulty report · Structure · Boeing 737436

Difficulty date: December 24, 2019
Submitted: January 8, 2020
Operation: Air carrier
Aircraft: N401YK
Make and model: Boeing 737436
Aircraft serial: 25860
Aircraft time: 57,186 hours, 36,394 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Structure
Condition: Cracked
Location: Fuselage
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

BS727 S18A LEFT HAND CRACK CONFIRMED IN CHORD. REMOVE AND REPLACE IAW BOEING SB737-53-1088 REV 1 AND BOEING DWG 65C33722. REMOVED AND REPLACED CHORD AT STA 727, LH SIDE, STRINGER 17- 26L IAW BOEING SERVICE BULLETIN 737-53-1088 REV 1, DATED MAY 25, 2006 AND BOEING DWG 65C33722 REV A. PN INFO STILL NEEDED, STILL OPEN