Service difficulty report · Skin · Boeing 7377BD

Difficulty date
November 17, 2020
Submitted
August 3, 2021
Operation
Air carrier
Aircraft
N7744A
Make and model
Boeing 7377BD
Aircraft serial
33931
Aircraft time
45,446 hours, 23,506 cycles
Part
Skin
Part number
31421002
Condition
Corroded
Location
Nr 1 Inlet
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

#1 ENGINE INLET COWL O/B BARREL SKIN HAS A LARGE AREA OF SURFACE CORROSION AT AFT EDGE BETWEEN THE 2 O'CLOCK AND 3 O'CLOCK POSITION / WP:E36645-LYNCH; MARK - 12/03/2020 12:51 COMPLETE: R&R INLET COWL PER AMM 71-11-01 TAG NO: 738795 PN ON: 314-2100-2 SN ON: 314-2100-2 PN OFF: SN OFF: 4284001

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