Service difficulty report · Longeron · Boeing 72730C

Difficulty date
July 21, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N703DH
Make and model
Boeing 72730C
Aircraft serial
19010
Part
Longeron
Condition
Cracked
Location
Nr 1 Engine Cowl
Stage of operation
IN
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

AT C CHECK, NR 1 LOWER COWL OUTBOARD LONGERON IS CRACKED UNDER RUB PLATE BY NR 3 LATCH V-BOLT CUTOUT. ALSO, SKIN IS BENT AND CRACKED AROUND CUTOUT. REWORKED SKIN AT NR 1 ENG LOWER COWL NR 3 LATCH U-BOLT CUT OUT PER SRM 51-10-1. NO SIGNIFICANT MATERIAL LOSS. WITHIN LIMITS PER SRM 54-30-1. REMOVED LONGERON AT NR 1 ENF LOWER COWL PER SRM 51-30-2, CLEANED, ALODINED AND PRIMED PER SRM 51-10-2. INSTALLED REPAIR PARTS PER SRM 51-40-3, USING MATERIAL .050 2024T3 20X4, TREATED ALODINE AREA AT NR 3 LATCH CUT OUT PER SRM 51-10-2, N/R 6214.

More about the Boeing 727-30C