SDR SWAA2021122043875

Service difficulty report · None · Boeing 737790

Difficulty date: November 15, 2021
Submitted: December 20, 2021
Operation: Air carrier
Aircraft: N562WN
Make and model: Boeing 737790
Aircraft serial: 30778
Aircraft time: 65,978 hours, 32,511 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: None
Condition: Cracked
Location: L/H Horiz. 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

CRACK INDICATIONS FOUND ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 16.500 INCH FROM FRON SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 1.100 INCH ; 2021-521719 / [01] REFER TO FAULT TTG8Q009BN44 WHERE EA 21-155-03528 HAS BEEN ATTACHED AS A SUBTASK. SEE INDIVIDUAL SIGNOFF BELOW; [02] REFER TO FAULT TTG8Q009BN44 WHERE EA 21-155-03528 HAS BEEN ATTACHED AS A SUBTASK. SEE INDIVIDUAL SIGNOFF BELOW