FTW88IA141

NTSB incident investigation · Boeing 737-300 · Kenton, DE · July 26, 1988

Incident · No injuriesIncident investigationFinal report
Date
July 26, 1988, 19:08 local (23:08 UTC)
Place
Kenton, DE
Injuries
50 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N14336Boeing 737-300
Weather
Instrument (IMC) · Day
Status
Completed · report October 20, 1992
Report
Approved by Office Director
FAA report
19880726040979I
Case key
22576

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight encounter with weatherDescent - normal
Flight into known adverse weather - performedPilot in commandFactor
Weather condition - thunderstormFactor
Weather condition - rainFactor
Loss of engine power(total) - nonmechanicalDescent - normal
1 engine
Powerplant - otherCause
Procedures/directives - not followedPilot in commandCause
Airframe/component/system failure/malfunctionDescent
Powerplant - overtemperature

Analysis

A flameout of the #1 engine occurred due to water ingestion when the aircraft penetrated a vip level 5 thunderstorm and encountered heavy rain while descending with the throttles a flight idle. The engine suffered overtemperature damage to the turbine section during the subsequent windmilling start. The captain elected to descend in precipitation with the engines at idle, despite the copilot's warning that idle descent was contrary to recently published procedures which required maintaining a minimum of 45% N1 RPM. The precipitation induced flameout phenomena had been identified in previous incidents, and corrective procedures were issued by the FAA, the manufacturers, and the carrier, prior to this occurrence.

Aircraft

Registration
N14336
Reported as
Boeing 737-300
Category
Airplane
Serial number
23574
Airframe hours
5,420
Engine
GE CFM-56-3, 20,000 lbs thrust, turbo fan
Damage
Minor damage
Flight
Part 121
Registered owner
Continental Airlines
Airworthiness certificate
Standard, Transport
Departed
MMUN · Cancun
Destination
EWR · Newark, NJ
Flight plan
IFR
Airport
ILG

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
39
Certificates
Airline transport, Flight engineer, Commercial, Flight instructor
Airplane ratings
Single-engine sea, Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
8,100 total · 1,120 in this make and model · 5,600 as pilot in command · 162 in the last 90 days · 66 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Altimeter
29.00 inHg

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N14336 · 1

Matched to the same aircraft by N-number and date.