Service difficulty report · Skin · Boeing 7377H4

Difficulty date
August 14, 2021
Submitted
September 14, 2021
Operation
Air carrier
Aircraft
N903WN
Make and model
Boeing 7377H4
Aircraft serial
32457
Aircraft time
45,600 hours, 27,306 cycles
Part
Skin
Condition
Cracked
Location
Horizontal 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

LT HORZ STAB LOWER SKIN CRACKED RIB STA 194 APPROX. 9.5 INCHES FROM FRONT SPAR ; / [01] CUT OUT DAMAGE IAW SRM 55-10-01-2R-11.; [02] VERIFIED DAMAGE CUTOUT PER NDT PART 6 51-00-00 PROCEDURE 23 AND SRM 55-10-00-2R-11.; [03] FABRICATED REPAIR DOUBLER IAW SRM 55-10-01-2R-11; [04] C/W; [05] FABRICATED REPAIR PARTS IAW SRM 55-10-01-2R-11.; [06] FABRICATED REPAIR PARTS IAW SRM 55-10-01-2R-11. C/W INSPECTION; [07] OK TO INSTALL REPAIR PARTS.; [08] OK TO INSTALL REPAIR PARTS.<BR>RII INSPECTION C/W.; [09] INSTALLED REPAIR PARTS IAW SRM 55-10-01-2R-11.; [10] INSTALLED REPAIR PARTS IAW SRM 55-10-01-2R-11.<BR>RII INSPECTION C/W.; [11] OK TO INSTALL 331 BZ.; [12] REPAIRED SKIN CRACK IAW SRM 55-10-01-2R-11.

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