Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
April 9, 2024
Submitted
May 20, 2024
Operation
Air carrier
Aircraft
N927WN
Make and model
Boeing 7377H4
Aircraft serial
36889
Aircraft time
51,719 hours, 31,504 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Corroded
Location
Bs 312 Rbl 10
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

MAIN CABIN INTERCOSTAL STA 312+5' RBL 10' CORROSION AROUND HOLE<[01] REMOVED CORROSION AT MAIN CABIN INTERCOSTAL STA 312+5' RBL 10'; CHECK LIMITS FOUND OUT OF LIMITS AS PER SRM 53-10-51-1A-1; REMOVED AND REPLACED INTERCOSTAL.;[02] VERIFIED STEP 1

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