Service difficulty report · Rib · Boeing 7377H4

Difficulty date
July 14, 2021
Submitted
August 24, 2021
Operation
Air carrier
Aircraft
N288WN
Make and model
Boeing 7377H4
Aircraft serial
36611
Aircraft time
46,479 hours, 27,749 cycles
Part
Rib
Condition
Cracked
Location
Horizontal 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

L/H HORIZONTAL STAB. INSPAR RIB ASSY#1 STA; 92.70; CRACK ON STIFFENER #2. ; / [01] REMOVED DAMAGED PART OF VERTICAL STIFFENER #2 IAW SRM 55-10-09-2R-4.; [02] REMOVED DAMAGE FROM WEB SECTION OF RIB IAW SRM 55-10-09-2R-4.; [03] VERIFIED DAMAGE REMOVAL OF RIB IAW SRM 55-10-09-2R-4. SEE NDT LABOR ROW; [04] VERIFIED TOOLING; [05] C/W HFEC INSPECTION PER PT 6 51-00-00 PRO 16 AND 23 NO DEFECTS FOUND; [06] C/W HFEC INSPECTION PER PT 6 51-00-00 PRO 16 AND 23 NO DEFECTS FOUND; [07] LOCATED AND DRILLED REPAIR PARTS PER SRM 55-10-09-2R-4; [08] OK TO INSTALL REPAIR PARTS.; [09] LOCATED AND DRILLED REPAIR PARTS PER SRM 55-10-09-2R-4 INSPECTED OK TO INSTALL REPAIR IAW SRM; [10] INSTALLED REPAIR PARTS AND COMPLETED REPAIR PER SRM 55-10-09-2R-4

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