Service difficulty report · Frame · Boeing 7377H4

Difficulty date
June 17, 2020
Submitted
July 27, 2021
Operation
Air carrier
Aircraft
N480WN
Make and model
Boeing 7377H4
Aircraft serial
33998
Aircraft time
55,251 hours, 32,519 cycles
Part
Frame
Condition
Corroded
Location
Bs 947
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

***CORROSION*** ACB BS 947 FRAME LBL 10 WL 156 HAS CORROSION / REMOVED CORROSION IN AN AREA OF 2.3X7.4. REMOVED .011'. FOUND TO BE OUT OF LIMITS PER SRM 53-00-07-1A-1 FIG 102 DETAIL C. REMOVED FASTENERS PER SRM 51-40-02-0G-0. ACB BS 947 FRAME STR 23L TO 23R WILL BE REPLACED ON CUSTOMER CARD #U180355. ACCESSED & RESTORED STRUCTURE PER DWG 147A7500; DWG 149A8104; DWG 149A8103

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