Service difficulty report · Strap · Boeing 7377BD

Difficulty date
December 15, 2022
Submitted
January 26, 2023
Operation
Air carrier
Aircraft
N7713A
Make and model
Boeing 7377BD
Aircraft serial
33919
Aircraft time
57,380 hours, 30,141 cycles
Part
Strap
Condition
Corroded
Location
Zone 100
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 PASSENGER CABIN AFT WET AREA STRAP AT LBL 27 BS 1016+1. CORROSION ON CABIN AFT WET AREA STRAPAT LBL 27 BS 1016+1 IS OUT OF LIMITS; NO FOUND LIMITS ON SRM FOR THIS PART; PART REPAIR BY REMPLACEMENT PER SRM 51-10-02-0G-0 PARA 9. REMOVED STRAP ON CABIN AFT WET AREA BS 1016+1 LBL27 PER SRM 51-40-02-0G-0. FABRICATED STRAP FROM 7075 T6 .071' BATCH# 1497836-1 AT PASSENGER CABIN AFT WET AREA LBL 27 BS 1016+1 PER SRM 51-40-05 AND DWG147A5714-3. APPLIED CHEMICAL COVERSION COATING AND PRIMER STRAP PER AMM 51-21-41-370-802 AND AMM 51-21-72-370-804. INSTALLED STRAP ON PASSENGER CABIN AFT WET AREA AT LBL 27 BS 1016+1 PER SRM 51-40-02-0G-0 AND DWG 147A5600.

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