Service difficulty report · Support · Boeing 7377H4

Difficulty date
May 26, 2020
Submitted
August 5, 2021
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
55,517 hours, 32,839 cycles
Part
Support
Condition
Corroded
Location
Bs 727-767
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*** ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT B.S. 727-767; R.B.L. 21; W.L. 154. / CORROSSION FOUND OUT OF LIMITS DUE TO PREXIMITS TO FASTENER HOLES REMOVED PART B.S. 727 - 767 RBL 21 WL 154 RECIEVED NEW PART 1 LOCATED DRILLED & INSTALLED PER SRM 51-40-02-0G-0; SRM 53-00-53-1A-2 FIG 103 DETAIL D DWG 146A7500 & DWG 146A0061 & SRM 51-40-05-0G-0

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