Service difficulty report · Elbow · Boeing 737752

Difficulty date
October 24, 2023
Submitted
November 27, 2023
Operation
Air carrier
Aircraft
N7888A
Make and model
Boeing 737752
Aircraft serial
35124
Aircraft time
52,977 hours, 27,703 cycles
Part
Elbow
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

ELBOW FITTING CRACKED COMMON TO THE 'B' SYSTEM RETURN LINE P/N 272A4451-116<[01] INSTALLED NEW ELBOW FITTING COMMON TO THE 'B' SYSTEM RETURN LINE P/N: 272A4451-116PER AMM 20-10-51-400-804. TORQUE WRENCH USED ID: ATS2321 DUE: 06/2024.;[02] LEAK CHECK REQUIRED.;[03] VERIFIED CORRECTION ACTION ITEM 1;2; LEAK CHECK REQUIRED.;[04] VERIFIED CORRECTION ACTION ITEM 1;2; MEASUREMENT TABLE; LEAK CHECK REQUIRED.;[05] COMPLETED ELBOW FITTING LEAK CK GOOD NO LEAKS NOTED PER AMM 29-11-00-860-803 STEP 4.;[06] VERIFIED CORRECTION ACTION ITEM 5; MEASUREMENT TABLE; OPS/LEAK TEST GOOD; NO LEAK NOTED AND CARD COMPLETE.