Service difficulty report · Skin · Boeing 7377H4

Difficulty date
November 4, 2021
Submitted
December 20, 2021
Operation
Air carrier
Aircraft
N409WN
Make and model
Boeing 7377H4
Aircraft serial
27896
Aircraft time
67,505 hours, 40,058 cycles
Part
Skin
Condition
Cracked
Location
R/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 FOUND AT RIGHT HORIZONTAL STAB STA 193.90;LOWER SKIN; 16' TO 17' FROM FRONT SPAR; I/B OF DRAIN HOLE. CRACK LENGTH : 0.866' ; / [01] REMOVED PAINT AT RIGHT HORIZONTAL STAB STA 193.90;LOWER SKIN 16' TO 17' FROM FRONT SPAR ;I/B OF DRAIN HOLE. AS PER REF B737-700 AMM 51-21-11-150-801.[16] REPAIRED RIGHT HORIZONTAL STAB AT STA 193.90 LOWER SKIN 16' TO 17' FROM FRONT SPAR; I/B OF DRAIN HOLE AS PER REFERENCE B737-700 SRM 55-10-01-2R-11; [17] RII VERIFIED STEPS 15 AND 16

More about the Boeing 737-7H4